Mastering Multiples and Factors

Find all the factors of 36.

• 1, 2, 3, 4, 6, 9, 12, 18, 36

• 1, 3, 6, 9, 12, 18

• 2, 4, 6, 8, 10, 12

• 1, 2, 4, 8, 16, 32

Which of the following numbers is a prime number?

• 21

• 29

• 30

• 42

What is the greatest common factor (GCF) of 48 and 36?

• 10

• 8

• 12

• 4

Is the number 49 a composite number?

• Yes

• No

Which of the following is a multiple of 7?

• 28

• 33

• 44

• 43

What are the first five multiples of 5?

• 5, 10, 15, 20, 25

• 5, 15, 25, 35, 45

• 10, 20, 30, 40, 50

• 0, 5, 10, 15, 20

Which number is a factor of every number?

• 0

• 1

• 2

• 10

Find the least common multiple (LCM) of 4 and 6.

• 8

• 12

• 24

• 36

Which of the following numbers is not a factor of 60?

• 3

• 5

• 7

• 10

If a number is a multiple of 9, which of the following must also be true?

• It is a multiple of 3.

• It is a multiple of 6.

• It is a prime number.

• It is an even number.