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Greatest Common Factor

Total questions: 69

Worksheet time: 3hrs 27mins

Name
Class
Date
1.

Factor:

56a3-8a

a)

8a2(56a3-8a)

b)

8a(7a2-1)

c)

8a(7a3-a)

d)

8a2(35a2-a)

2.
Factor:
 2n2-8n3
a)
2n2(n-4n2)
b)
2n2(1-4n)
c)
2n3(10-8n2)
d)
3n(1-4n)
3.
Factor:
2n3+16n+12
a)
2n(n3+24n+6)
b)
2(n3+8n+6)
c)
2n(n3+8n+6)
d)
3(n3+8n+6)
4.
Factor
12x + 9
a)
3(4x + 3)
b)
x(12+9)
c)
3(4x - 3)
d)
not factorable
5.
Factor
12x + 9
a)
3(4x + 3)
b)
x(12+9)
c)
3(4x - 3)
d)
not factorable
6.
What is the GCF? 5x2+20x
a)
5
b)
x
c)
5x
d)
20x
7.
What is the GCF? 2x2-4x+8
a)
2x
b)
2
c)
x
d)
1
8.
What is the GCF?
6w3 - 14w
a)
6w
b)
4
c)
2w
d)
3w
9.
Factor:
x2 - 5x
a)
1(x - 5)
b)
x(x - 5x)
c)
x(x - 5)
d)
x2(1 - 5)
10.

What is the GCF of 3x+9 ?

a)

x

b)

3

c)

9

d)

3x

11.
What is the Greatest Common Factor of the following polynomial?
12t3 + 30t2 + 48t
a)
12t
b)
6t3
c)
6t
d)
12t3
12.
What is the GCF of 18k and 15k3
a)
3k2
b)
3k3
c)
3k
d)
5k
13.

What is the greatest common factor of 30x and 56x2

a)

4x

b)

6x

c)

2x

d)

x

14.
What is the greatest common factor of 48x2and 32x3?
a)
8x2
b)
16x2
c)
16x
d)
96x3
15.
a)

y2(y+2)y^2\left(y+2\right)

b)

y3(2y+1)y^3\left(2y+1\right)

c)

y(y+1)y\left(y+1\right)

d)

Not HereNot\ Here

16.
a)

x(6x2+24x)x\left(6x^2+24x\right)

b)

2x(3x2+12x)2x\left(3x^2+12x^{ }\right)

c)

2x2(x+4x)2x^2\left(x+4x\right)

d)

2x2(3x+6x2)2x^2\left(3x+6x^2\right)

17.
a)
A
b)
B
c)
C
d)
C
18.
a)
A
b)
B
c)
C
d)
D
19.
a)
A
b)
B
c)
C
d)
C
20.
a)
A
b)
B
c)
C
d)
D
21.
a)
A
b)
B
c)
C
d)
D
22.
a)
A
b)
B
c)
C
d)
D
23.
a)
A
b)
B
c)
C
d)
D
24.
a)
A
b)
B
c)
C
d)
D
25.
a)
A
b)
B
c)
C
d)
D
26.
a)
A
b)
B
c)
C
d)
D
27.
a)
A
b)
B
c)
C
d)
D
28.
a)
A
b)
B
c)
C
d)
D
29.
a)
A
b)
B
c)
C
d)
D
30.
a)
A
b)
B
c)
C
d)
D
31.
a)
A
b)
B
c)
C
d)
D
32.
a)
A
b)
B
c)
C
d)
D
33.
a)
A
b)
B
c)
C
d)
D
34.
a)
A
b)
B
c)
C
d)
D
35.
a)
A
b)
B
c)
C
d)
D
36.
a)
A
b)
B
c)
C
d)
D
37.
a)
A
b)
B
c)
C
d)
D
38.
a)
A
b)
B
c)
C
d)
D
39.

Factor:

5k3 + 7k2 + k

a)

5k(k2 +2k + 1)

b)

7k(5k2 +k + 1)

c)

k(5k2 + 7k + 1)

d)

5k3 + 7k2 + k

40.
Factor:
56a3-8a
a)
8a2(56a3-8a)
b)
8a(7a2-1)
c)
8a(7a3-a)
d)
8a2(35a2-a)
41.

Factor:

4x + 6

a)

4(x + 2)

b)

2(2x + 3)

c)

2(2x + 4)

d)

4(x + 2/3)

42.
What is the GCF? 2x2-4x+8
a)
2x
b)
2
c)
x
d)
1
43.
What is the GCF of 18k and 15k3
a)
3k2
b)
3k3
c)
3k
d)
5k
44.
What is the GCF? 3x+9
a)
x
b)
3
c)
9
d)
3x
45.

Match the following expressions with their GCFs.

a)

6x2 - 3x - 9

1.

3

b)

4x3 + 6x2 + 12x

2.

2x

c)

5x3 - 4x2 + 7x

3.

x

d)

x4 + 9x3 - 3x2

4.

x2

e)

24x2 + 18x + 12

5.

6

46.
GCF of 16y + 40
a)
4
b)
8
c)
y
d)
10
47.
GCF of 11ab + 32ab
a)
11
b)
11ab
c)
ab
d)
2a
48.

What is the GCF? 2x3+4x28x2x^3+4x^2-8x

a)

2

b)

4

c)

2x

d)

4x

49.

What is the GCF? x3+5x222xx^3+5x^2-22x

a)

1

b)

x

c)

5x

d)

22

50.

What is the GCF? 8x312x2+8x8x^3-12x^2+8x

a)

4x

b)

8x

c)

2x

d)

4

51.

What is the GCF? 6x2+9x126x^2+9x-12

a)

6x

b)

6

c)

3x

d)

3

52.

What is the GCF? 7x5+8x4+3x37x^5+8x^4+3x^3

a)

xx

b)

3x3x

c)

3x33x^3

d)

x3x^3

53.

What is the GCF? 24x4+8x3+16x224x^4+8x^3+16x^2

a)

4x24x^2

b)

2x2x

c)

8x28x^2

d)

x2x^2

54.

Factor the polynomial. 2x+10y

a)

2(x+5y)

b)

2x+5y

c)

20xy

d)

5(2x+2y)

55.

Factor the polynomial. 56a3-8a

a)

8a2(56a3-8a)

b)

8a(7a2-1)

c)

8a(7a3-a)

d)

8a2(35a2-a)

56.

Factor:

2n2-8n3

a)

2n2(n-4n2)

b)

2n2(1-4n)

c)

2n3(10-8n2)

d)

3n(1-4n)

57.

Factor:

80x5-70x2-60x7

a)

2x2(80x3-70-60x6)

b)

10x2(80x4-70x-60x6)

c)

10x2(8x3-7-6x5)

d)

3x2(80x3-40-60x5)

58.
Factor
4b5+4b3+16b2
a)
4b3(b4+b2+4b)
b)
4b3(b4+4b+5)
c)
4(b5+b3+4b2)
d)
4b2(b3+b+4)
59.
Factor
10x2 + 15x-5
a)
25(10x3+45x-15)
b)
5(2x3 + 3x2-x)
c)
x(10x3+15x-5)
d)
5(2x2+3x-1)
60.
Factor:
p2 - 14p
a)
p(1 - 14)
b)
2p(p - 7)
c)
p2(1-14)
d)
p(p - 14)
61.

What is the factor of 6x2-24x?

a)

6x(x-4)

b)

6x(x-24x)

c)

6(x2-24x)

d)

6x2(1-24x)

62.
Factor out the GCF:
10x³ - 15x
a)
x(10x² - 15)
b)
5x(2x² - 3)
c)
5(2x³ - 3x)
d)
5x²(10x - 3)
63.

Factor using GCF or monomial factoring:

2x + 18

a)

2(x + 9)

b)

2(x + 8)

c)

2(2x + 9)

d)

cannot be factored

64.

Factor using GCF or monomial factoring:

x2 - 5x

a)

1(x - 5)

b)

x(x - 5x)

c)

x(x - 5)

d)

x2(1 - 5)

65.

What is the common monomial factor of 6x3+3x212x6x^3+3x^2-12x  ?

a)

33  

b)

2x2x  

c)

3x3x  

d)

3x23x^2  

66.

factor 10x2y – 30xy2

a)

xy(10 - 30)

b)

10xy(x - 3y)

c)

10x2y(3y)

d)

10xy2(x)

67.

Factor using GCF or monomial factoring:

w3 + 3w

a)

3w(1)

b)

w(w2 + 3)

c)

w3(w + 3)

68.
What is the greatest common factor of the three terms in the expression?
24m3n5p + 6mn4p2 + 4mn5
a)
2mn
b)
24mn4
c)
2mn4
d)
2mn4p
69.

Factor:

12j2k3 - 20hj

a)

4j(3jk3 - 5h)

b)

4j(6jk3 - 10h)

c)

4j(3jk2 - 5h)

d)

4j2(24j2k3 - 20h)