# what is the greatest common factor of 9,18,and 45? A)5 B)9 C)18 D)45

14,632 questions
1. ## Greatest Common factors

I don't know these answers. Can you help me? Greatest common factor in 1.6y^2-9y+18. 2.4x^2y-7xy 3. 30a^3b-40ab^3 4. factor out greatest common factor in 4x^2-12x+20 5. x^4y-6x^3y-6x^2y 4 and 5 are factoring out the greatest common and 1-4 is finding the

asked by Ales1 on May 10, 2010
2. ## Math

We can rewrite the expression 16 + 8 as 8x(2+1). Notice that 8 is the greatest common factor of 16 and 8. Use this same method to rewrite the expression 24 + 36 as the product of the greatest common factor of 24 and 36 and the sum of the remaining numbers.

asked by Matt on September 10, 2016
3. ## math

1. What is the greatest common factor of: 2x2x5x7x7 2x5x5x7x7 a. 2x5 b. 2x5x7 c. 2x5x7x7 d. 2x2x5x5x7x7 e. 2x2x2x5x5x5x7x7x7x7 2. What is the least common multiple of: 3x3x5x5x5x7 2x3x5x5x7x7 a. 2 b. 5x5x7 c. 3x3x5x5x5x7 d. 2x3x3x5x5x5x7x7 e.

asked by Tomas on October 6, 2013
4. ## algebra

How do you factor out the greatest common factor? 1. 96x^9y^8+60x^2y^6-84x^4y^4 2. 13m^2-22r^3 3. 24m^8+48m^5-36m^2 1. In the coefficients look for the largest number which evenly divides into all the coefficients of the given terms 2. Variables must have

asked by shea on April 23, 2007
5. ## MATH 117

What is the greatest common factor (HINT: It may help for you to show an example of how to find a greatest common factor)? How do you know when you have found the greatest one?

asked by fRED on July 16, 2013
6. ## Math

Which is the expression that can be factored using the greatest common factor for this equation? 6p^3-12p^2+9p A. 3(2p^3-4p^2+3p) B. 3p(2p^2-4p+3) c. 3p^2(2p^2-4p+3) D. 6p(p^2-2p+9) I believe it is B because only A and B work but B is the greatest common

asked by B6 on March 29, 2013
7. ## Math

If a is the greatest common factor of 72 and 48, and if b is the greatest common factor of 108 and 144, what is the least common multiple of a and b

asked by Raj on October 28, 2011
8. ## Algebra

1. How do we find the greatest common factor of a polynomial? Demonstrate the process with an example, showing your work. 2.When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient? 3. Can it ever be

asked by JERSEYGIRL on December 5, 2011
9. ## Algebra

1. How do we find the greatest common factor of a polynomial? Demonstrate the process with an example, showing your work. 2.When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient? 3. Can it ever be

asked by JERSEYGIRL on December 4, 2011
10. ## Algebra

How do I factor out the greatest common monomial factor? 1) 9m^7 - 3m^2 2) 12a^5 + 8a 3) I need to describe and correct the error in facotring out the greatest common monomial factor of 18x^8 - 9x^4 - 6x^3 18x^8 - 9x^4 - 6x^3 = 3x(6x^7 - 3x^3 - 2x^2) is

asked by Scott on March 12, 2013
11. ## Algebra

I need a step by step explanation of finding the GCF of (6ysquare -3y)(y+7) The greatest common factor, or GCF, is the greatest factor that divides two numbers. ... If there are no common factors, the GCF is 1. That is the situation on your case. 6y^2 -3y

asked by Tony on April 9, 2007
12. ## Algebra

Hopelessly loss in New Joisey If Anyone can help me I greatly appericate it. Anyone know how do we find the greatest common factor of a polynomial? Can you give me an example, showing your work. 2.When finding the greatest common factor of a polynomial,

asked by JERSEYGIRL on December 6, 2011
13. ## College Math

I am really struggling with this Fibonacci number problem. If the greates common factor of "m" and "n" is "r", then the greatest common factor of Fm and Fn is Fr. Show that this is true for m=6 and n=9. I am so confused

asked by Matthew on October 2, 2011
14. ## Math

What is the greatest common factor of 142 and 284? Try studying a bit here: http://www.helpwithfractions.com/greatest-common-factor.html http://www.aaamath.com/g72b-grt-com-fac.html Thank you!

asked by Mike on November 15, 2006
15. ## math

Which expression shows 27 + 36 as the product of their greatest common factor and the sum of two whole numbers with no common factor? ​ 7(4+5)7(4+5) ​ ​ 9(4+5)9(4+5) ​ ​ 9(3+4)9(3+4) ​ ​ 7(3+6)7(3+6) ​

asked by luke on October 11, 2016
16. ## algebra

this is what u do on your first problem....first u take out the greatest common factor that would go into all of them... 4n^2-20n+24...now what number will go into all of them...well 4 will...4 will go into 4,20,and 24...so. it would be like

asked by sheila on November 13, 2006
17. ## Math

Did I solve this problem right? Here is the question: Use least common multiple or greatest common factor to solve this problem. Mark has 153 hot dogs and 261 hot dog buns. He wants to put the same number of hot dogs and hot dog buns on each tray. What is

asked by B.B. on July 4, 2009
18. ## Math (Algebra)

How do I find the greatest common factor of a polynomial? When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient and can it ever be smaller than the smallest coefficient? Please explain.

asked by Lynn on July 26, 2010
19. ## Fib. Number

I noticed someone else is having problems with the same problem below that I am. Since I have a Matt in my class he is having the same problem I am and could use some help. Fib. numbers are not in my math book and I cannot find any help online with these

asked by Scott on October 2, 2011
20. ## math

A student is attempting to factor a polynomial. Sample mathematical work is shown below. Which statement best applies to the sample mathematical work? Given 3x + 6, the factors of the first term are 3 and x, and the factors of the second term are 1, 2, 3,

asked by Joshua on September 22, 2014
21. ## Algebra

Factor at the greatest common factor from the expression. Can someone please show me how to factor so I will know? Thank you! 18x^714x^2

asked by Anonymous* on August 2, 2012
22. ## M,ath

How do we find the greatest common factor of a polynomial? Demonstrate the process with an example, showing your work. When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient? Can it ever be smaller than

asked by Anonymous on November 22, 2010
23. ## math

find the greatest common factor of 20,22, and 32. The greatest common factor is?

asked by ... on August 29, 2018
24. ## Math

A football coach divides 42 players and 12 coaches into groups. Each group will have the same number of players and coaches. What is the greatest number of groups that can be formed? a. 12 groups b. 6 groups c. 2 groups d. 4 groups My answer is 6 groups

25. ## algerbra

Find the GCF of each product. (2x2+5x)(7x - 14) (6y2 -3y)( y+7) When the term "Greatest Common Factor" is used, it applies to a pair of numbers. The terms you have liated are polynomials that have already been factored. They could be further factored into

asked by Susie on July 2, 2007
26. ## Math

What kind of problems can be solved using greatest common factor and lowest common multiples

asked by Blossom on January 11, 2016
27. ## Math

Two numbers-- Their greatest common factor is 3. Their least common multiple is 90. How many answers are possible? Explain.

asked by Maya on December 19, 2014
28. ## Algebra

Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx-20wy-25wz= 5w(3x)+5w(-4y)+5w(-5z)= 5w(3w-4y-5z)= 5w

asked by Megan on March 13, 2008
29. ## Algebra

I need to factor out the greatest common monomial factor: 1) 20x^2y^2 - 4xy 2) 18s^2t^5 - 2s^3t 3) -2g^4 +14g^2 + 6g

asked by Scott on March 12, 2013
30. ## algebra

factor out the greatest common factor. Please show all work. 15wx-20wy-25wz

asked by shir on July 22, 2011
31. ## Algebra

Help! I think I am right, but not sure. Factor out greatest common factor then simplify the factors 15wx-20wy-25wz= 5w(3x)+5w(-4y)+5w(-5z)= 5w(3w-4y-5z)= 5w

asked by Megan on March 13, 2008
32. ## math

Factor out the greatest common factor in each question. 1. 7× + 21 2. 12n - 9 3. 10c + 30 4. 10b + 25

33. ## intermediate algebra

factor out the greatest common factor from the expression 24xyz^2+20x^2yz-4x^2z^2

asked by ROCKY on July 26, 2011
34. ## algebra

factor out the greatest common factor from the expression 18x^5+48x^2-30x

asked by ROCKY on July 25, 2011
35. ## algebra

Factor out the greatest common factor from the expression 9a2b3 – 12a2b4 – 24a3b

asked by Elisa on June 19, 2011
36. ## Math

Factor out the greatest common factor from this expression using the distributive property. 90+ 60 My answer is 30(3 +2). Here are the other choices: 10 (9+6) , 15(6+4), 6(15+10). Did chose the right one I think I did.

asked by Johnnie on February 28, 2019
37. ## Algebra

How can you tell whether a polynomial is written in factor form. Construct a trinomial whose greatest common factor is 2x^2. Am not understanding this...Please help.

asked by Amy L on March 29, 2011
38. ## MATH 101

Factor completely. Be sure to factor out the greatest common factor first if it is other than 1. (If the polynomial is prime, enter PRIME.) 56a^2+39ab-27b^2

asked by Haylee on October 13, 2014

Can you please give a example so that I can understand it better. 1)How can you tell whether a polynomial is written in factor form. 2)Construct a trinomial whose greatest common factor is 2x^2.

asked by Sindi M on March 29, 2011
40. ## Math

Factor the following by taking out the greatest common factor. 9a^3b^2+81a^2b^3+108a^3b^3

asked by Keonn'a on October 30, 2018
41. ## Algebra

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2

asked by Ashley on July 26, 2011
42. ## algebra

Factor out the greatest common factor in the expression? 11y^5-55y^2

asked by Brandy on February 29, 2012
43. ## math

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2

asked by Michael on July 26, 2011
44. ## math

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2

asked by Ashley on July 27, 2011
45. ## Algebra 1

factor out the greatest common factor. 7x^4-49x^3+14x^2=7x^2 Is this correct

asked by Brenna on June 30, 2008
46. ## Can someone help me with this one Please! :)

factor out the greatest common factor -36m^2n^3-60mn^4+18m^4n^2

asked by Ashley on July 27, 2011
47. ## algebra

factor out the greatest common factor from the expression. 18x^7-14x^2

asked by ROCKY on July 25, 2011
48. ## MAT-134 Math XL

Factor out the greatest common factor. Simplify if possible. 9x^6-63x^5+36x^4=

asked by Billy on March 6, 2014
49. ## Factor out the Greatest Common Factor (GCF)

Factor out the Greatest Common Factor (GCF): 45d^3-18d^2

asked by Claire on April 11, 2016
50. ## algebra

Factor out the greatest common factor from the expression 36x^3-30x^2

asked by Elisa on June 19, 2011
51. ## Algebra

I am trying to factor polynomials by grouping the first two terms and the last two terms, but I am having some issues, I have done a few correct since I can look at the answers to the odd problems but it is taking me arund 25 minutes per problem. here is a

asked by Ragan on July 27, 2007
52. ## Algebra

What is the greatest common factor? How do you know when you have found the greatest one?

asked by Theresa on October 2, 2012
53. ## ALB 2

1.Find the greatest common factor in this problem. 12a3b2, 18a2b3, 6a4b4 2.Factor each of the following polynomials. 4s _ 6st _ 14st2

asked by JANE on February 13, 2008
54. ## Algebra 2

PLS HELP ME!! I really need the answers to these few questions I need toturn them in ASAP. Factor out the GCF (Greatest Common Factor) Hint: What can you divide every term by? 14. 3b^4-9b^2+6b 15. 4g^2+8g 16. 45c^5-63c^3+27 Factor each polynomial. HINT:

asked by Silva on May 13, 2019
55. ## Math

Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers. 20x9 - 20x7 - 16x2

asked by Rema on February 24, 2010
56. ## Math

Factor the greatest common factor from the polynomial. Assume any variable exponents represent whole numbers. 12xy + 20xz - 8xw

asked by Rema on February 24, 2010
57. ## algebra 3

identify the greatest common factor then factor expression x^2+9x+47

asked by rachael on August 13, 2013
58. ## math

factor out the greatest common factor from the expression 15x^5-9x^4

asked by tonya on February 11, 2011
59. ## intermediate algebra

Factor out the greatest common factor from the expression 7x^2+56x-21

asked by Lueshelle on April 18, 2012
60. ## intermediate algebra

factor out the greatest common factor from the expression 6x^3yz^4-3x^2y^3z^4-18^4y^2z^3

asked by ROCKY on July 26, 2011
61. ## college algebra

Factor out the greatest common factor from each polynomial 9y^2 -18y + 8

asked by kathy on January 12, 2009
62. ## Algebra

Factor out the greatest common factor simply the factor if possible. 26(5-x)2-5(5-x)3

asked by Lisa Vice on October 8, 2013

I am not sure on this question. Can you help me. Question: How can you tell if 31/33 is already in its simplest form? I wrote my answer to the following questions, can you tell if it is right? Question: Can the Greatest Common Factor of 18 and 36 be

asked by Math on November 13, 2009
64. ## Intermediate Algebra

factor out the greatest common factor from the expression. 35^8+35^5+28^3

How do I factor 4x^2-12x+8? so far I took out the Greatest Common Factor. 4(x^2-3x+2) What next?

asked by Loretta on September 10, 2009
66. ## coomon factors

I don't understand common factors. can someone show me how to find the greatest common factor of 385 and 1365? 385 = 5 x 7 x 11 1365 = 3 x 5 x 7 x 13 which factors are found in both? 5 x 7 so 35 is the HCF, (it's like taking the intersection of the

asked by kim on April 18, 2007
67. ## Algebra

I have a few more questions that I either need help with or just need checking. Is the algebraic expression a polynomial? if it is write the polynomial in standard form, 1. 6x-9+8x^2 I got Yes; 8x^2+6x-9 Perform the indicated operations. Write the

asked by Soly on August 13, 2007
68. ## pseudo code and flow charts

how can write a pseudo code and a flow charts to solve these? 1 to find the greatest common divisor out of two positive integers. 2 to find the smallest common factor out of two positive intrgers. Write the flow of thinking just as you do it in your head.

asked by ravindu on June 8, 2007
69. ## Math

Lamar wants to slice a 35-ounce tomato and a 28-ounce tomato into pieces of the same weight. He finds the greatest common factor of the tomato weights to determine the weight of each piece. What is the greatest common factor of 35 and 28? Show your work.

asked by Help on March 31, 2015
70. ## math

58. Let GCF (x,y) represent the greatest common factor of x any y. If p is a positive even integer less than 11, for what value of p does GCF (p^2,81) have the greatest value?

asked by vincent on August 19, 2014
71. ## math

what is the greatest common factor for 12 and 30?

asked by makeeda on January 9, 2010
72. ## math

what is greatest common factor for 3 and 4?

asked by Drew on March 18, 2016
73. ## Math

What is the greatest common factor for 28 and 24?

asked by Momo on October 29, 2009
74. ## math

what is the greatest common factor for 39 and 57? a)19 b)13 c)7 D)3

asked by makeeda on January 9, 2010
75. ## math

what is the greatest common factor if 1/5 of 2/15 and 4/9?

76. ## math

what is the greatest common factor of 6 and 12?

asked by jacquelin on December 15, 2010
77. ## help

hi i just need help with what the greatest common factor of 51 and 34 is 4+0

asked by Kendall on November 7, 2006
78. ## HELLP!!!

Greatest Common Factor of 15 and 21

asked by soukhya on January 14, 2009
79. ## math

what is the greatest common factor of 9,18,and 45? A)5 B)9 C)18 D)45

asked by makeeda on January 9, 2010

what is the greatest common factor for 7 & 35? is it 1 or 7? What is the greatest common factor for 12 & 36? Is it 6 or 12? Thank you.

81. ## math

What is the greatest common factor of 18, 30, and 45? I come up with 3 as the greatest common factor am I right?

asked by A.W. on January 15, 2009
82. ## math

What is the greatest common factor of 36, 20, and 8?

asked by cool on July 11, 2014
83. ## Math

list the common factors for each pair of numbers. Then find the greatest common factor for each pair. 18 and 30, 9 and 25 60 and 45, 23 and 29 49 and 14, 140 and 25 142 and 148, 84 and 105

asked by Gracie on September 18, 2012
84. ## Math

For Exercises 16 - 23, list the common factors for each pair of numbers. Then find the greatest common factor for each pair. 16. 18 and 30 17. 9 and 25 18. 60 and 45 19. 23 and 29 20. 49 and 14 21. 140 and 25 22. 142 and 148 23. 84 and 105

asked by Gracie on September 18, 2012
85. ## Math

Make a conjecture about what must be true about the least common multiple of any number pairs in which one number is the same as the greatest common factor.

asked by Jocelyn on October 17, 2019
86. ## Math

Hello, im in 6th grade and im trying to find out the least common multiple of a number and the greatest common factor of a number. I don't know what they are. thanks

asked by Lexi on August 28, 2011
87. ## math

factor out greatest common factor x(x+13)+14(x+13)

asked by janet on February 14, 2016
88. ## Math

factor out the greatest common factor -2p+40

89. ## math

What is the greatest common factor of 18, 30, and 45? How do figure this out?

asked by A.W. on January 15, 2009
90. ## Math

For which pair is the greatest common factor 8? 2 and 4, 7 and 15 32 and 64, 56 and 72

asked by Gracie on September 18, 2012
91. ## pre aljabra

how do you find the greatest common factor of 44,47

asked by lucy on October 24, 2011
92. ## 6th garde Math :)

what is the greatest common factor (GCF) of 25 ; 50

asked by karol <3 on November 22, 2010
93. ## MATH

Greatest common factor of 4x^2y^3 and 6xy^2

94. ## pre-algebra

find the greatest common factor of 15

asked by fardowsa on September 7, 2018
95. ## Math

Determine the Greatest Common Factor

asked by Tyler on May 20, 2019
96. ## Math

The greatest common factor of 20, 45, and 116.

asked by greatdanelola on February 6, 2008
97. ## math

what is the GCF or greatest common factor of 18,27,30

asked by Keira on October 12, 2017
98. ## Math

What is the GCF(greatest common factor) of 9 and 25

asked by Absha on October 20, 2015
99. ## math

what is the greatest common factor 42, 78, and 120?

asked by sarah on February 19, 2013
100. ## math

fator out the greatest common factor: 11y-22 11y-22 = 11y - 2*11 = 11*something What is the something? Your common factor is 11, so your answer will be 11(y-2) thank u so much

asked by tasha on October 12, 2006