Free Printable grade 66

1.

What is the Greatest Common Factor of 12 and 48?

a)

6

b)

12

c)

4

d)

16

2.

What is the Greatest Common Factor of 35 and 42?

a)

5

b)

14

c)

7

d)

3

3.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

4.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

1, 2, 3, 4, 5, 6, 12

5.

What is the GCF of 8 and 24?

a)

1

b)

24

c)

8

d)

4

6.

What does GCF mean?

a)

Great Cookie Fever

b)

Greatest Common Factor

c)

Greatest Common Multiple

d)

Greatest Compared Factor

7.

GCF 15 and 36

a)

8

b)

6

c)

3

d)

4

8.

GCF of 16 and 18

a)

4

b)

2

c)

6

d)

8

9.

GCF of 8 and 20

a)

8

b)

2

c)

4

d)

10

10.

GCF of 12 and 28

a)

3

b)

6

c)

2

d)

4

11.

What is the GCF of 18 and 24?

a)

3

b)

6

c)

8

d)

9

12.

GCF of 32 and 40

a)

2

b)

4

c)

6

d)

8

13.

GCF of 16 and 18

a)

4

b)

2

c)

6

d)

8

14.

GCF of 50 and 100

a)

10

b)

25

c)

50

d)

5

15.

GCF of 18 and 24

a)

2

b)

3

c)

4

d)

6

16.

What is the greatest factor of 28 and 49?

a)

1

b)

2

c)

7

d)

12

17.

GCF of 99 and 54

a)

9

b)

3

c)

6

d)

8

18.

GCF of 16 and 40

a)

4

b)

8

c)

2

d)

10

19.

GCF of 12 and 28

a)

3

b)

6

c)

2

d)

4

20.

GCF of 15 and 35

a)

15

b)

3

c)

7

d)

5

21.

GCF 15 and 36

a)

8

b)

6

c)

3

d)

4

22.

What is the GCF of 24 and 30?

a)

2

b)

12

c)

6

d)

3

23.

Find the GCF of 14 & 22.

a)

1

b)

2

c)

7

d)

14

24.

What is the GCF of 8 and 10?

a)

1

b)

3

c)

4

d)

2

25.

What is the GCF of 18 and 24?

a)

3

b)

6

c)

8

d)

9

26.

Find the GCF of 21 and 28

a)

3

b)

4

c)

7

d)

14

27.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

1, 2, 3, 4, 5, 6, 12

28.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

29.

Find the greatest common factor of 30 and 36

a)

2

b)

3

c)

6

d)

18

30.

What is the GCF of 20, 44, and 88?

a)

4

b)

2

c)

22

d)

1

31.

GCF of 9 and 36

a)

3

b)

6

c)

9

d)

12

e)

Not Given

32.

The common factors of 16 and 24 are....

a)

2, 4 and 8

b)

2, 4, 12, and 24

c)

1, 2, 4 and 8

d)

2, 4 and 8

33.

The GCF of 25, 75, and 200 is.....

a)

10

b)

5

c)

50

d)

25

34.

What is the Greatest Common Factor of 35 and 42?

a)

5

b)

14

c)

7

d)

3

35.

What does GCF mean?

a)

Great Cookie Fever

b)

Greatest Common Factor

c)

Greatest Common Multiple

d)

Greatest Compared Factor

36.

What is a factor of 14

a)

5

b)

7

c)

3

d)

28

37.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

1, 2, 3, 4, 5, 6, 12

38.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

39.

What is the GCF of 8 and 10?

a)

1

b)

3

c)

4

d)

2

40.

Find the greatest common factor of 20 and 30

a)

2

b)

5

c)

10

d)

15

41.

Find the greatest common factor of 24 and 48

a)

4

b)

12

c)

24

d)

48

42.

Find the greatest common factor of 30 and 36

a)

2

b)

3

c)

6

d)

18

43.

Find the greatest common factor of 32 and 48

a)

2

b)

8

c)

16

d)

18

44.

What is the GCF of 4 and 12?

a)

3

b)

1

c)

6

d)

4

45.

Find the Greatest Common Factor (GCF) of 14 & 22.

a)

1

b)

2

c)

7

d)

14

46.

What is the greatest common factor of 48x²and 32x³?

a)

8x²

b)

16x²

c)

16x

d)

96x³

47.

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

a)

4x

b)

6x

c)

2x

d)

x

48.

What is the GCF of 10a²b³ and 20a²b²?

a)

20a²b³

b)

10a²b³

c)

20ab²

d)

10a²b²

49.

What is the greatest common factor of the monomials a²b⁵ and a³b³

a)

a²b³

b)

a²b⁵

c)

a³b³

d)

a³b⁵

50.

What is the Greatest Common Factor of the following polynomial?
12t³ + 30t² + 48t

a)

12t

b)

6t³

c)

6t

d)

12t³

51.

Find the greatest common factor of
6x⁴y³- 12x⁴y²+ 6x³y²

a)

6

b)

6xy

c)

6x³y²

d)

6x⁹y⁶

52.

What is the GCF of 18k and 15k³

a)

3k²

b)

3k³

c)

3k

d)

5k

53.

What is the GCF of 10a²b³ and 20a²b²?

a)

20a²b³

b)

10a²b³

c)

20ab²

d)

10a²b²

54.

Determine the greatest common factor of
-5j³k⁷m² and -20jk²m⁵

a)

-5jk²m²

b)

-20j³k⁷m⁵

c)

-5j³k⁷m⁵

d)

-20jk²m²

55.

The largest factor that two or more numbers or algebraic terms have in common.

a)

Greatest Common Factor

b)

Least Common Multiple

c)

Greatest Common Multiple

56.

GCF of 8 and 20

a)

8

b)

2

c)

4

d)

10

57.

GCF 15 and 36

a)

8

b)

6

c)

3

d)

4

58.

GCF of 32 and 40

a)

2

b)

4

c)

6

d)

8

59.

GCF of 16 and 18

a)

4

b)

2

c)

6

d)

8

60.

GCF of 50 and 100

a)

10

b)

25

c)

50

d)

5

61.

GCF of 18 and 24

a)

2

b)

3

c)

4

d)

6

62.

What is the GCF of 36 and 24?

a)

6

b)

12

c)

8

d)

9

63.

What is the GCF of 20 and 30?

a)

5

b)

2

c)

10

d)

20

64.

GCF of 10 and 50

a)

10

b)

2

c)

5

d)

50

65.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

66.

What are the factors of 24?

a)

1, 2, 3, 4, 6, 8, 12, 24

b)

1, 3, 6, 8, 24

c)

1, 2, 3, 4, 6

d)

1, 24

67.

There are 40 girls and 32 boys who want to participate in 6th grade intramurals. If each team must
have the same number of girls and the same number of boys. What is the greatest number of teams that can participate in intramurals?

a)

6

b)

4

c)

8

d)

2

68.

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers
for her teacher friends at school. She wants to divide the cookies into identical containers so that each
container has the same number of each kind of cookie. If she wants each container to have the
greatest number of cookies possible, how many plastic containers does she need?

a)

2

b)

4

c)

6

d)

8

69.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

1, 2, 3, 4, 5, 6, 12

70.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

71.

The Greatest Common Factor of two prime numbers is

a)

0

b)

1

c)

There are no common factors.

d)

Themselves.

72.

Sara had 16 red flowers and 24 yellow flowers. She wants to make bouquets with the same number of each color flower in each bouquet. What is the greatest number of bouquets that she can make?

a)

4

b)

2

c)

48

d)

8

73.

What is the GCF of 18 and 45?

a)

3

b)

12

c)

9

d)

6

74.

What is the GCF of 24 and 30?

a)

2

b)

12

c)

6

d)

3

75.

What is the GCF of 8 and 10?

a)

1

b)

3

c)

4

d)

2

76.

What is the greatest factor of 28 and 49?

a)

1

b)

2

c)

7

d)

12

77.

What is the greatest common factor of 30 and 49?

a)

1

b)

5

c)

6

d)

7

78.

What is the greatest common factor of 14 and 35?

a)

2

b)

7

c)

8

d)

5

79.

What is the greatest common factor of 12 and 20?

(a)

80.

What is the greatest common factor of 16 and 24?

(a)

81.

What is the greatest common factor of 35 and 47?

a)

5

b)

7

c)

1

d)

8

82.

What is the greatest common factor of 48 and 64?

(a)

83.

What is the greatest common factor of 56 and 6?

a)

6

b)

9

c)

2

d)

3

84.

What is the greatest common factor of 60 and 75?

(a)

85.

What is the greatest common factor of 60 and 82?

a)

2

b)

3

c)

10

d)

6

86.

What is the greatest common factor of 15 and 30?

(a)

87.

What are the factors of 25?

a)

1, 2, 3, 5, 10, 15, 25

b)

1, 5, 25

c)

1, 25

d)

1, 5

88.

List all the factors of 12

a)

1, 2, 3, 4, 6, 12

b)

1, 2, 4, 12

c)

1, 12

d)

1, 2, 3, 4, 5, 6, 12

89.

What does GCF mean?

a)

Great Cookie Fever

b)

Greatest Common Factor

c)

Greatest Common Multiple

d)

Greatest Compared Factor

90.

What is a factor of 14

a)

5

b)

7

c)

3

d)

28

91.

Which is a NOT a factor of 9?

a)

0

b)

1

c)

3

d)

9

92.

Is 3 a factor of 12?

a)

yes

b)

no

93.

What is the greatest common factor of 4 and 16?

a)

4

b)

2

c)

1

d)

16

94.

What is the GCF of 24 and 30?

a)

2

b)

12

c)

6

d)

3

95.

GCF of 15 and 35

a)

15

b)

3

c)

7

d)

5

96.

GCF of 8 and 20

a)

8

b)

2

c)

4

d)

10

97.

What is the greatest common factor of 30 and 49?

a)

1

b)

5

c)

6

d)

7

98.

What is the greatest common factor of 14 and 35?

a)

2

b)

7

c)

8

d)

5

99.

What is the greatest common factor of 12 and 20?

(a)

100.

What is the greatest common factor of 16 and 24?

(a)

101.

What is the greatest common factor of 35 and 47?

a)

5

b)

7

c)

1

d)

8

102.

What is the greatest common factor of 48 and 64?

(a)

103.

What is the greatest common factor of 56 and 6?

a)

6

b)

9

c)

2

d)

3

104.

What is the greatest common factor of 60 and 75?

(a)

105.

What is the greatest common factor of 60 and 82?

a)

2

b)

3

c)

10

d)

6

106.

What is the greatest common factor of 15 and 30?

(a)

grade 66

Total questions: 106

Worksheet time: 3hrs 39mins

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