Find Factors
Many Multiples
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Prime/Composite
Practice Problems
100

List the factors for 12.

1,2,3,4,6,12

100

List the first 4 multiples of 10

10,20,30,40

100

List the first 5 multiples of 11. 

11,22,33,44,55

100

Is 11 prime or composite?

Why?

Prime: 1 x 11

100

Joey went to the store and bought 45 squishies. How many friends could he evening split the squishies between?

He is not going to keep any for himself. 

(a generous lad)

Answers may vary.

200

List the factors for 21.

1,3,7,21

200

List the first 5 multiples of 8

8,16,24,32,40

200

Which of the following is a multiple of 4?

A. 18

B. 6

C. 2

D. 24

D. 24

200

Is 63 prime or composite?


Why?

Composite: 1 x 63, 9 x 7, 21 x 3

200

What are the factor pairs for 32?

1,2,4,8,16,32

300

Is 3 a factor of 27?

YES! 3 X 9 

300

is 108 a multiple of 12?

YES! 12 X 9 = 108

300

What are the factors for 35?

1, 5, 7, 35

300

What does it mean if a number is prime?

Only 2 factors. 1 and itself!

300

If Mrs. Holliday and 3 friends went to the movies to the the new Super Mario movie. They got 20 pieces of candy to share. How many pieces of candy does each person get if they share them equally?

5 pieces!

400

List the factors for 36.

1,2,3,4,6,9,12,18,36

400

True or False:

88 is a multiple of 11.

True

400

What do you call a fake noodle?

AN IMPASTA!

400

Pick any composite number 50 - 100 and list all the factors. 

YAY!

400

Lily went for a walk on the beach. She collected 32 shells in her bucket. Which number represents the amount of equal groups she could make with her shells?

A. 8    B. 7    C. 9    D. 10

A. 8

500

What factors do the numbers 30 and 24 have in common?

1,2,6

500

List the first 10 multiples of 6

6,12,18,24,30,36,42,48,54,60

500

Every person needs to write a compliment for the person to their right!

YOU ARE SO KIND!

500

Is 53 prime or composite?

PRIME

500

Which statement is true about the number 27?

A. 27 is a prime number because it is odd

B. 27 is a composite number because it is odd

C. 27 is a prime number because it only has two factors

D. 27 is a composite number because it has more than two factors

D. 27 is a composite number because it has more than two factors