Quiz about Gcf and Lcm Review

Question 1

Find the Least Common Multiple of 9 and 6

Accepted Answer

18

Answer

36

Answer

38

Answer

72

Question 2

Find the Least Common Multiple (LCM) of 12 & 30

Accepted Answer

60

Answer

30

Answer

36

Answer

90

Question 3

Find the Least Common Multiple (LCM) of 12 & 18

Accepted Answer

36

Answer

48

Answer

60

Answer

72

Question 4

Find the Least Common Multiple (LCM) of 2, 3 & 6.

Accepted Answer

6

Answer

2

Answer

12

Answer

24

Question 5

Find the Greatest Common Factor (GCF) of 12 & 27

Accepted Answer

3

Answer

1

Answer

9

Answer

12

Question 6

Find the Greatest Common Factor (GCF) OF 32 and 64.

Accepted Answer

32

Answer

1

Answer

2

Answer

4

Question 7

Find the Greatest Common Factor (GCF) of 60 and 75

Accepted Answer

15

Answer

1

Answer

3

Answer

5

Question 8

Find the Greatest Common Factor (GCF) OF 12,  18 & 30

Accepted Answer

6

Answer

1

Answer

3

Answer

12

Question 9

Find the Greatest Common Factor (GCF) OF 12,  18 & 30

Accepted Answer

6

Answer

1

Answer

3

Answer

12

Question 10

GCF of 28 and 40

Accepted Answer

4

Answer

2

Answer

7

Answer

8

Question 11

GCF of 20 and 70

Accepted Answer

10

Answer

2

Answer

5

Answer

7

Question 12

GCF of 20 and 70

Accepted Answer

10

Answer

2

Answer

5

Answer

7

Question 13

Which of the choices is not a factor of 24?

Accepted Answer

5

Answer

2

Answer

3

Answer

4

Question 14

GCF of 24 and 56

Accepted Answer

8

Answer

2

Answer

4

Answer

6

Question 15

Which of these is NOT a factor of 36?

Accepted Answer

8

Answer

2

Answer

12

Answer

6

Question 16

What is the greatest common Factor between 64 and 56?

Accepted Answer

8

Answer

2

Answer

4

Answer

6

Question 17

Which of these numbers is a multiple of 18?

Accepted Answer

54

Answer

2

Answer

6

Answer

35

Question 18

What is the LCM of 2, 4, and 9?

Accepted Answer

36

Answer

18

Answer

27

Answer

40

Question 19

List the factors of 12 & 20, then identify the greatest common factor.
12-
20-
GCF=

Accepted Answer

12-1, 2, 3, 4, 6, 12  20-1, 2, 4,5,10, 20 GCF 4

Answer

12- 1, 2, 5, 7  20-10, 20, 30, 40 GCF 10

Answer

12-1, 12, 24, 36  20-20, 40, 60, 80 GCF 40

Answer

12-2, 4, 6   20-1, 10, 20 GCF 20

Question 20

What number could be a common denominator for these two fractions?
1/5 and 5/6?

Accepted Answer

30

Answer

11

Answer

6

Answer

5

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