# GCF and LCM, Grade 7

## Quiz by Andrew Watts

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- Q1
What is the LCM of 6 and 8?

Users enter free textType an Answer30s - Q2
Sort the factors into the box with the matching composite number

Users sort answers between categoriesSorting30s - Q3
Match the right number with its factor

Users link answersLinking30s - Q4
What is the greatest Common Factor of 16 and 24

Users enter free textType an Answer30s - Q5
What is the Least Common Multiple (LCM) of 15 and 20?

35

5

20

60

30s - Q6
What is the Greatest Common Factor (GCF) of 18 and 27?

9

6

3

12

30s - Q7
What is the Least Common Multiple (LCM) of 7 and 5?

12

35

25

20

30s - Q8
What is the Greatest Common Factor (GCF) of 32 and 48?

4

16

8

24

30s - Q9
What is the Greatest Common Factor (GCF) of 20 and 28?

6

4

14

2

30s - Q10
What is the Least Common Multiple (LCM) of 21 and 14?

56

28

42

35

30s - Q11
What is the Least Common Multiple (LCM) of 4 and 6?

12

24

18

10

30s - Q12
7 is a multiple of 42

falsetrueTrue or False30s - Q13
28 is a factor of 7

falsetrueTrue or False30s - Q14
147 is a multiple of 21

truefalseTrue or False30s