Factors/Multiples
Prime/Composite
Greatest Common Factor
Least Common Multiple
Divisibility Rules
100

List all of the factors of 32.

1, 2, 4, 8, 16, and 32

100

Is 1 a prime or composite number?

Neither. 

100

What is the greatest common factor of 12 and 15

3

100

What is the least common multiple of 3 and 7?

21

100

What numbers is 20 divisible by? 

2, 4, 5, 10

200

List 3 multiples of 8 that are less than 50.

8, 16, 24, 32 etc

200

What are 2 prime numbers smaller than 10?

2, 3, 5, 7 

200

What is the greatest common factor of 24 and 20?

4

200

What is the least common multiple of 4 and 9?

36

200

What numbers is 125 divisible by?

300

List all of the factors of 42.

1, 2, 3, 6, 7, 14, 21, 42

300

What are 2 composite numbers between 20 and 30?

24

300

What is the greatest factor of 16 and 36?

4

300

What is the least common multiple of 2, 3, and 5?

30

300

Is 240 divisible by 4?

Yes 

400

List 4 multiples of 7 greater than 10 but less than 50.

14, 21, 28, 35, 42, 49

400

List 4 multiples of 7 greater than 10 but less than 50.

14, 21, 28, 35, 42, 49

400

What is the great common factor of 35 and 15?

5

400

What is the least common multiple of 4 and 5?

20

400

What is 426 divisible by?

2, 3, 6 

500

List all the common multiples of 2 and 3 less than 24. 

6, 12, 18. 

500

List all the common multiples of 12 and 18 that are less than 75.

36 and 72

500

What is the greatest common factor of 30 and 12?

60

500

What is the least common multiple of 10 and 12?

60

500

What is 11232 divisible by? 

2, 3, 4, 6, 9

M
e
n
u