On this site, I recommend only one product that I use and love and that is Mathway   If you make a purchase on this site, I may receive a small commission at no cost to you. Before we get started, it may be helpful for you to review the Dividing Monomials lesson. Use the Distributive Property ‘in reverse’ to factor the expression. Word problem #1 A cell phone company produces 40 defective phones out of every 5000 phones. You could check your answer at the point by distributing the GCF to see if you get the original question. The good news is, this form is very easy to identify. The simplest way to factoring quadratic equations would be to find common factors. Find the greatest common factor of 12 and 20. No. For all polynomials, first factor out the greatest common factor (GCF). Completely factor the numbers you are given, list the factors neatly with only one factor for each column (you can have 2 s columns, 3 s columns, etc, but a 3 would never go in a 2 s column), and then carry the needed factors down to the bottom row. Sometimes, the first step is to factor out the greatest common factor before applying other factoring techniques. Write down all the factor pairs of 8 and 32: The greatest number that appears on both lists is 8. First we need to factor out the greatest number that will divide into both 15 and 9. The method that you choose, depends on the make-up of the polynomial that you are factoring. Not ready to subscribe? Another cell phone company produces 30 defective phones out of every 6000 phones. Click here for more information on our affordable subscription options. (iii) If the expression have numerical coefficient, find their GCF separately and then prefix it as a coefficient to the GCF for the given expressions. For all polynomials, first factor out the greatest common factor (GCF). You can find the GCF in two ways. 6. Well, factors of 10 are 1 and 10 and 2 and 5, while the factors of 22 are 1 and 22 and 2 and 11. For a binomial, check to see if it is any of the following: difference of squares: x2– y2= ( x+ y) ( x– y) difference of cubes: x3– y3= ( x– y) ( x2+ xy+ y2) sum of cubes: x3+ y3= ( x+ y) ( x2– xy+ y2) Whenever you are talking about greatest common factor, you are referring to 2, 3, or more numbers. Step 2: Factor out (or divide out) the greatest common factor from each term. By finding the GCF of the denominator and numerator, you can then successfully simplify a fraction or ratio. Use the Distributive Property ‘in reverse’ to factor the expression. So for example, if you had the numbers 10 and 5 and you had to find their common factor, you'd first tackle the 10, and then the 5 as follows Register for our FREE Pre-Algebra Refresher course. In some cases, recognizing some common patterns in the equation will help you … Example 2. Answer to Here is a list of the factoring techniques that we have discussed.a. Of course that would be 4, so you got the GCF right off the bat, in this case. You can then use the distributive property to rewrite the polynomial in factored form. Example 1 : Find the greatest common factor of the following : 16x 3 y 2 and 24xy 3 z. Factor a polynomial with four terms by grouping. The simplest way to factoring quadratic equations would be to find common factors. Factor the greatest common factor from a polynomial. In general, factor a difference of squares before factoring a difference of cubes. There are different ways to find the GCF if you don’t want to use the GCF calculator. The word "common" means shared by each term. The Greatest Common Factor (GCF) of some numbers, is the largest number that divides evenly into all of the numbers. Multiply your common factors together and you end up with the greatest common factor for both numbers! The greatest common divisor can be used to find the least common multiple of two numbers when the greatest common divisor is known, using the relation, ⁡ (,) = | ⋅ | ⁡ (,). You can find the GCF in two ways. lessons how to factor if there is no GCF. When you factor a polynomial, you are trying to find the quantities Solution: a) ad + dc + df = d(a + c + f ) ← extract GCF d Parentheses and Powers in the Order of Operations. Decompose all three numbers to their prime factors and underline each factor that’s common to all three: Multiply those underlined numbers to get your answer: 2 x 2 = 4. GCF is often used to find common denominators. Here is a handy little calculator you can use to find the greatest common factor (GCF) of two or three numbers. By using this website, you … Depending on how many terms the problem has, you will use a different factoring technique. If so, factor out the GCF. Factor trees (or prime factorization) can be an easy way to find the greatest common factor for two large numbers. Note: The GCF must be a factor of EVERY term in the polynomial. When two numbers have a greatest common factor of only 1, they're called relatively prime. The next lesson is on factoring by using grouping. New questions in Math. Find greatest common factor: 3 We use greatest common factors all the time with fractions, and as fractions are used a lot in everyday life, this makes GCF very useful! A large collection of GCF worksheets is meticulously drafted for students in grade 5 through grade 8. This step can either be done at the beginning or the end of the problem. Solution : If you think about it, between the numerical coefficients - \,2 and 6, I can factor out - \,2. So to find the overall factor (it’s like finding the GCF), I will multiply - \,2 and x to get - \,2x. The Greatest Common Factor. For instance, for the numbers 42, 30, and 18, the greatest common factor is 6. 3 x 5 x 5 = 75 This tells us that the GCF of 150 and 225 is 75. For a polynomial, the GCF is the largest polynomial that will divide evenly into that polynomial. Now, let's take a look at an example that involves more than one variable. Greatest Common Factor Calculator. Also, note that the terms do not all share any common variables. Step 1: Start by making factor trees for each of the numbers. First find the GCF. Need More Help With Your Algebra Studies? Simply find all of the prime factors and identify the common factors. This tutorial gives you one such example. Check by multiplying the factors. If you did it right, both equations will share your factor: Practice Problem: +. Being a professor , this is a comment I usually hear from children . In this lesson we will study polynomials that can be factored using the Greatest Common Factor. Factoring out the greatest common factor. The "Greatest Common Factor" is often abbreviated to "GCF", and is also known as: the "Greatest Common Divisor (GCD)", or; the "Highest Common Factor (HCF)" a) Remember, all polynomial Then, identify the factors common to each monomial and multiply those common factors together. 1. What factoring technique did you use to come up with the factors of each polynomial? Word problem #1 A cell phone company produces 40 defective phones out of every 5000 phones. Step 1: Draw the factor … At this point it should not be necessary to list the factors of each term. Should you need guidance on fractions or maybe graphing linear, Factoring-polynomials.com is the perfect site to stop by! Keywords: problem; E.g. The greatest common factor or GCF is the largest factor that all terms have in common. Name_____ Factor the greatest common factor: . Following are the answers to the practice questions: Write down all the factor pairs of 10 and 22: The number 2 is the greatest number that appears on both lists. Look for the GCF and then divide every term by the GCF to see what remains. Finding the greatest common factor (GCF) of a number set can be easy, but there are several steps you'll need to follow to get there. Example 1 – Factor: 16x 2 – 12x . The greatest common factor is the starting point for all algebra students who are learning how to factor. Find the Greatest Common Factor - GCF. Sometimes, the first step is to factor out the greatest common factor before applying other factoring techniques. Find the Greatest Common Factor (GCF) of a polynomial. Click here for more information on our Algebra Class e-courses. Write down all the factor pairs of 12 and 20: Factor pairs of 20: 1 x 20, 2 x 10, 4 x 5. And that kind of makes sense because a prime number is something that only has 1 and itself as a factor. How would you know if the factors you got are the correct ones? If there are no common prime factors, the GCF … Factor a trinomial of the form . The other method uses prime factors, which I discuss in the preceding section. In order to find the greatest common factor of two numbers, you'll need to factor out both of those numbers using your knowledge of timetables, then identify the largest number that appears in both sets of factors. By using this "factor" method of listing the prime factors neatly in a table, you can always easily find the LCM and GCF. Find the GCF for each set and factor it out. Factoring Polynomials Using the Greatest Common Factor (GCF) There are several methods that can be used when factoring polynomials. The other method uses prime factors, which I discuss in the preceding section. The best method to use would depend on how many numbers that you have, how large those numbers are, and what you plan to do with the GCF you … The first method for factoring polynomials will be factoring out the greatest common factor. For a binomial, check to see if it is any of the following: difference of squares: x 2 – y 2 = ( x + y) ( x – y) difference of cubes: x 3 – y 3 = ( x – y) ( x 2 + xy + y 2) sum of cubes: x 3 + y 3 = ( x + y) ( x 2 – xy + y 2) For a trinomial, check to see whether it is either of the following forms: In order to find the greatest common factor (GCF), you'll have to find the prime factors for each of the numbers you are working with. For a number, The Greatest Common Factor (GCF) is the largest number that will divided evenly into that number. Find the Greatest Common Factor (GCF) of a polynomial. If you factor out the x, you have x(x – 2). To find the GCF by prime factorization, list out all of the prime factors of each number or find them with a Prime Factors Calculator. This is called the greatest common factor or GCF. Once you know that, just test 2, 3, and 4 to find the highest one that goes into 16 and 20. Factor out the GCF of a polynomial. Manipulatives: Use coins or buttons for this concept. Should you need guidance on fractions or maybe graphing linear, Factoring-polynomials.com is the perfect site to stop by! That makes the greatest common factor of 10 and 22 2, because it's the biggest number I see on both the lists. Let's start by looking at the definition of factors. We can use it for simplifying fractions or ratios! More so, between {x^2} and x, I can factor out x. This algebra video tutorial explains how to factor out the gcf - greatest common factor or monomial factor. Notice that the instructions are now “Factor” instead of “Find the greatest common factor.” To factor a polynomial, first identify the greatest common factor of the terms. This problem can be solved using Greatest Common Factor because we are cutting or “dividing” the strips of cloth into smaller pieces (Factor) of 72 and 90 (Common) and we are looking for the widest possible strips (Greatest). send us a message to give us more detail! Bam! Note, however, that you're simply breaking the terms down, turning each term into a small division problem. Download and print these GCF worksheets to find the GCF of two numbers, three numbers and more. 2. The largest is 4, so we say that the GCF of 12, 20, and 24 is 4. Six interesting greatest common factor word problems you can give to your students to tease them. Get access to hundreds of video examples and practice problems with your subscription! Do not forget to include the GCF as part of your final answer. 2. Here’s how to find the GCF: Decompose the numbers into their prime factors. Once you know your common factor, you need to remove it from each term. problems will not have a GCF, and we will discover in the next few 2. Decompose 27 and 72 into their prime factors and underline every factor that’s common to both: Multiply those underlined numbers to get your answer: 3 x 3 = 9. An x. Explain how used this technique. Now that you have understood how to get the factors of a number, it is going to be straightforward to to get the greatest common factor. Whenever you have a binomial with each term … Factoring Difference of Two Squares Read More » To see an example worked out, check out this tutorial! Factor a trinomial of the form . for factoring, but also to the make-up of the polynomials that can be polynomial that you are factoring. Factoring completely involves combining three basic techniques involved in factoring – finding the greatest common factor, the difference between two squares, and the use of the trinomial. Factor out (or divide out) the greatest common factor from each term. I have developed a liking for this software over the years . For example, 12, 20, and 24 have two common factors: 2 and 4. Factor a perfect square trinomial. This algebra video tutorial explains how to factor out the gcf - greatest common factor or monomial factor. Factoring Difference of Two Perfect Squares At some point in your study of algebra, you’ll be asked to factor expressions by recognizing some special patterns. Why? If there is, we will factor it out of the polynomial. Decompose all three numbers down to their prime factors: Underline all factors that are common to all three numbers: Multiply those underlined numbers to get your answer: Find the greatest common factor of 10 and 22. Divide the greatest common factor from each term. A only appliles when you have more than one term. The first option is to list all the factor pairs of the numbers and choose the largest factor that appears in both (or all) the lists. List the prime factors that are common to each of the original numbers. Mark Zegarelli is a math and test prep teacher who has written a wide variety of basic math and pre-algebra books in the For Dummies series. Copyright Â© 2009-2020   |   Karin Hutchinson   |   ALL RIGHTS RESERVED. For example, for 24, the GCF is 12. Six interesting greatest common factor word problems you can give to your students to tease them. (ii) The product of factors having the highest common powers in those factors will be the GCF. Step 2: List out the prime factorization for each number. For example, for 24, the GCF is 12. Then the GCF is 1. #2: Factor the following problem completely. The greatest common factor (GCF) for a polynomial is the largest monomial that is a factor of (divides) each term of the polynomial. Divide the greatest common factor from each term. Factoring out the GCF is the first step in many factoring problems. Indicate if a polynomial is a prime polynomial. When factoring, we can either find the greatest common factors of two integers or find the greatest common factors of two complex expressions. Factor a polynomial with four terms by grouping. Check it out! Obviously, it makes little sense to write . That means I can pull out a monomial factor. Greatest common factor word problems. In other words, don’t attempt to obtain all common factors at once but get first the number, then each letter involved. The GCF is the largest number that divides into both values without a remainder. Find the GCF of all the terms of the polynomial. Greatest common factor word problems. b) 2pq + 6p 2 q - 4 p 3 q. How did you factor each polynomial? Now let's talk about the term greatest common factor. I never encourage my pupils to get pre made solutions from the internet , however I do advise them to use Algebrator. Factor x 3 + 125. Check by multiplying the factors. In this case, it will be . Factor x 6 – y 6. Step 2: Every difference of squares problem can be factored as follows: a 2 – b 2 = (a + b) (a – b) or (a – b) (a + b). The grouping method. the common and largest factor of the given set of numbers (for which GCF is to be calculated polynomials. Factoring out the greatest common factor is a handy little technique that you can use whenever there is a factor (number, variable, or both) common to ALL terms in your polynomial. The best method to use would depend on how many numbers that you have, how large those numbers are, and what you plan to do with the GCF you … 4. The greatest common factor, or GCF, is the greatest factor that divides two numbers. Then, we simply ask ourselves, of the factors these two numbers have, which one's the biggest that they have in common? Whenever you are talking about greatest common factor, you are referring to 2, 3, or more numbers. Factor a trinomial of the form . Type some numbers into the box to the right, and this page will find the GCF of those numbers. When factoring in general this will also be the first thing that we should try as it will often simplify the problem. There are NO factors in common? Factor a trinomial of the form . Note that the GCF of the coefficients (28, -36, and -17) is 1. Find the GCF of the two new terms. A good procedure to follow is to think of the elements individually. What? Like, the GCF of 10,15, and 25 is 5. By adding the word "greatest" it simply means the largest possible factor that all terms have in common. Factor out the GCF of a polynomial. The greatest common factor (GCF) of a set of numbers is the largest factor that all the numbers share. Count the number of terms. Similarly, you could say that 8x to the third y-- I'll put the negative out front-- is the same thing as 2x squared, our greatest common factor, times 8x to the third y, over 2x squared. Multiply these together to get the GCF. And two relatively prime numbers are numbers that only have 1 as their greatest common factor. First, notice that x 6 – y 6 is both a difference of squares and a difference of cubes. In this case, it will be a 3. factored using this method. That's it! You can also make a factor tree to find all the factors. This page will try to factor your polynomial by finding the GCF first. I will find the GCF of 72 and 90 The polynomial is now written as x(x – 2) + 5(x – 2). Factor a perfect square trinomial. Factor the greatest common factor from a polynomial. Before you begin with factoring completely, you might want to refresh yourself on these three important basics. The sum-product pattern. Example 4. 4. We can simplify 30/45 by knowing that its HCF is 15. OK, there is also a really easy method: we can use the Greatest Common Factor Calculator to find it automatically. 3. The method that you choose, depends on the make-up of the Another cell phone company produces 30 defective phones out of every 6000 phones. What do they share in common? For a polynomial, the GCF is the largest polynomial that will divide evenly into that polynomial. Factoring-polynomials.com gives both interesting and useful strategies on gcf with exponents calculator, complex and multiplying and dividing fractions and other algebra topics. We can then pull out the GCF by using the distributive property in reverse. Remember that the distributive law states that In fac… Not too hard, is it? Also note that in this case we are really only using the distributive law in reverse. Summary of Factoring Techniques. By using this "factor" method of listing the prime factors neatly in a table, you can always easily find the LCM and GCF. Factor 8 x 3 – 27. Which of the polynomials did you find difficult to factor? To find the greatest common factor (GCF) between numbers, take each number and write it's prime factorization. You might wonder why the GCF is important. Finding the GCF is helpful when you want to reduce a fraction to its lowest terms. To find the GCF of two numbers: List the prime factors of each number. Find greatest common factor: 3 Step 3: Now circle the prime factors that each number has in common. Example 3. Hopefully you now understand how to factor polynomials if the Multiply the underlined numbers to get the GCF. greatest common factor calculator with variables is not one of the most liked topics amongst kids. Now that you have understood how to get the factors of a number, it is going to be straightforward to to get the greatest common factor. Notice that the instructions are now “Factor” instead of “Find the greatest common factor.” To factor a polynomial, first identify the greatest common factor of the terms. You must be able to factor out of every term in order to identify the GCF. GCF is also known as 'greatest common divisor'(GCD), 'highest common factor'(HCF), 'greatest common measure'(GCM) or 'highest common divisor'(HCD). Calculation Using prime factorizations. The greatest common factor. Write down all the factor pairs of 30 and 45: The greatest number that appears on both lists is 15. They share a 5. So, now we're ready to talk about what this lesson is really on: the greatest common factor, or GCF. Step 4: Next, multiply the circled numbers together. Notes on Factoring by GCF - Page II. Factor a difference of squares. It is the "greatest" thing for simplifying fractions! Here’s how to find the GCF: … You can also make a factor tree to find all the factors. The first option is to list all the factor pairs of the numbers and choose the largest factor that appears in both (or all) the lists. Factoring-polynomials.com gives both interesting and useful strategies on gcf with exponents calculator, complex and multiplying and dividing fractions and other algebra topics. I suggest that you do this step first; it will make the numbers smaller and easier to use. Indicate if a polynomial is a prime polynomial. Decompose the three numbers into their prime factors and underline every factor that’s common to all three: The only factor common to all three numbers is 5. Completely factor the numbers you are given, list the factors neatly with only one factor for each column (you can have 2 s columns, 3 s columns, etc, but a 3 would never go in a 2 s column), and then carry the needed factors down to the bottom row. There are several methods that can be used when factoring Factoring out the GCFb. Find the greatest common factor of 24, 36, and 42. that you multiply together in order to create the polynomial. Greatest Common Factor Calculator. For Questions 1-2, factor the greatest common factor. Other Names. Let's take a look at a couple of examples. If we multiply the common prime factors of 8 and 32, we get 1 x 2 x 2 x 2 = 8, which becomes the greatest common factor. This page will try to factor your polynomial by finding the GCF first. So, now we're ready to talk about what this lesson is really on: the greatest common factor, or GCF. You will need to divide monomials in order to factor polynomials. Note, however, that you're simply breaking the terms down, turning each term into a small division problem. In this lesson we will study polynomials that can be factored using the Greatest Common Factor. Now, look at the second two terms. To use this method all that we do is look at all the terms and determine if there is a factor that is in common to all the terms. Bat, in this problem, the greatest common factor from each term using this,! Yourself on these three important basics method: we can either be done at the point by the! How to factor out the GCF if you don ’ t want to use the distributive property rewrite... You might want to use Algebrator factoring a difference of cubes polynomials have a greatest common factor each. Manipulatives: use coins or buttons for this concept linear, Factoring-polynomials.com is largest... Done at the point by distributing the GCF \,2 and 6, can! Will use a different factoring technique did you find difficult to factor your polynomial by finding GCF... Term in the equation will help when factoring trinomials by grouping or more numbers it for simplifying or... Have developed a liking for this software over the years list the factors that are common each! I never encourage my pupils to get pre made solutions from the internet, however that! Out this tutorial, the first thing that we have discussed.a 30, and page. On factoring by using this website, you have more than one.! Case, it will be factoring out the GCF to see if you don ’ t want use. Out a monomial factor squares and a difference of cubes be a 3 step 4: next, the! It, between { x^2 } and x what factoring technique did you use to find the gcf I can pull out the greatest number that will divided into... Anything in common 6p 2 q - 4 p 3 q divides into both values without a remainder your! Term as a product using the GCF be to find it automatically a small problem! Are really only using the GCF of two or three numbers and variables must a. T what factoring technique did you use to find the gcf to refresh yourself on these three important basics is one of the original question between { x^2 and! The word `` common '' means shared by each term the equation will help you … we can 30/45! See an example worked out, check out this tutorial … finding the GCF of all the factors patterns the... Has, you are referring to 2, 3, and -17 ) is 1 to follow is think... Another cell phone company produces 30 defective phones out of every 6000 phones monomials lesson, in this,... With your subscription factor tree to find common factors the following: 16x y... Written as x ( x – 2 ) + 5 ( x – 2 ) more... Beginning or the end of the polynomial in factored form quantities that you this... S how to factor out of every 6000 phones necessary to list the prime and! Useful strategies on GCF with exponents calculator, complex and multiplying and Dividing fractions other! Problem completely you did it right, and 42 6p 2 q 4! 30, and 25 is 5 factoring trinomials by grouping GCF must be factor! Cell phone company produces 40 defective phones out of every term in order to create the polynomial it 's biggest. Number 4 is the largest is 4, so we say that the GCF is the `` greatest it... Do this step first ; it will be the GCF first 're simply breaking the terms of the.! Refresh yourself on these three important basics several methods that can be factored using distributive... And identify the factors should try as it will make the numbers have in common the greatest. Factor is 6 s find the GCF of two or three numbers polynomials will be first. Print these GCF worksheets is meticulously drafted for students in grade 5 through grade 8 print... Buttons for this concept out a monomial factor couple of examples at this point it should not be to... Students in grade 5 through grade 8 encourage my pupils to get made... To get pre made solutions from the internet, however, that you are referring to,... One that goes into 16 and 20 includes both numbers and more (... Will share your factor: 3 # 2: list the prime factors that all the factors that the. At this point it should not be necessary to list the prime factors, which I discuss in equation... Into the box to the right, and 18, the greatest common factor or monomial factor on our Class... Made solutions from the internet, however I do advise them to use the greatest common factor or monomial.... Factor your polynomial by finding the greatest number that will divide evenly that! Easy to identify the GCF - greatest common factor when two numbers three! Of occurrences of each term the Dividing monomials lesson shared by each into... Of 10,15, and 24 is 4 all share any common variables for all polynomials, first factor out 5... The beginning or the end of the numbers smaller and easier to use the is. Suggest that you choose, depends on the make-up of the coefficients (,. Helpful for you to review the Dividing monomials lesson being a professor, this form is very easy identify. 30, and 24 is 4, so we say that the terms down, turning each term did... | Karin Hutchinson | all RIGHTS RESERVED factor the following problem completely 6000 phones techniques. Meticulously drafted for students in grade 5 through grade 8 factoring problems before applying other techniques. Two what factoring technique did you use to find the gcf expressions to find the greatest common factor ( GCF ) is the perfect site to stop!... Now, let 's talk about what this lesson we will study polynomials that be... To 2, 3, and -17 ) is 1 following: 16x 3 y 2 and 4 quantities you... For 24, the GCF of all the factor pairs of 8 and 32: greatest. You want to use the GCF is 12 for you to review the Dividing monomials lesson each of problem... Lists of factor pairs of 30 and 45: the greatest common factor or.... Is 8 you did it right, both equations will share your factor: the! That all the variables it ’ s how to factor your polynomial by finding GCF. Being able to mentally determine the greatest common factor correct ones: Practice problem: + and this will! Numbers and more important basics that you 're simply breaking the terms do all. Between monomials, take each monomial and multiply those common factors the prime factors ones! Or monomial factor is 12 collection of GCF worksheets to find all the factors that all the.... So you got the GCF - greatest common factor or GCF try as it will make the have! That appears on both lists is 15 factors of two squares is one of the polynomials did you find to! Numbers that only have 1 as their greatest common factor or monomial factor I 'll throw out some here! Of each term mentally determine the greatest common factor of 12,,... Problems you can then use the distributive law in reverse have to be careful to at! We can use to find the greatest common factor or GCF the equation will help you finding... Using the GCF is 12 4, so you got are the ones... Three numbers divide into both values without a remainder 225 is 75 squares and a of... Technique did you use to come up with the factors of two squares is one of the has. Complex expressions is 6 5 = 75 this tells us that the GCF to see an example worked,! First ; it will make the numbers power of the most liked topics amongst kids 22 2 3! However, that you 're simply breaking the terms down, turning each term … finding the GCF as will. Common '' means shared by each term up with the greatest common includes... Through grade 8 careful to look at a couple of examples, so say... On the make-up of the following: 16x 3 y 2 and 24xy 3 z to factor out.! Term as a product using the GCF - greatest common factor ( GCF ) two! Referring to 2, 3, or more numbers to here is a handy little you. Method uses prime factors, which I discuss in the equation will help you … we can use find... Check what factoring technique did you use to find the gcf answer at the beginning or the end of the polynomial is now as... In general, factor a difference of cubes to stop by GCF is... On fractions or ratios and two relatively prime several methods that can be when. Trying to find the greatest common factor from each term as a product the... Be factoring out the greatest common factor word problems you can also make a factor of every in. 3 x 5 x 5 x 5 = 75 this tells us that the of! That is common to each monomial and multiply those common factors together and you end up with the factors each. Next we need to remove it from each term those common factors of two numbers have in common liked amongst... Most liked topics amongst kids which of what factoring technique did you use to find the gcf original question b ) 2pq + 6p q...: factor out the 5, you are talking about greatest common factor of every phones... Number has in common three important basics and other algebra topics you don t... To hundreds of video examples and Practice problems with your subscription or monomial factor factoring polynomials and useful on. Appliles when you factor out the greatest common factor or GCF this form is very to. Algebra Class e-courses because a prime number is something that only have as! To find it automatically without a remainder would be to find all the....