Mastery of Factors and Multiples

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

• 6

• 12

• 18

• 24

Which of the following numbers is a multiple of 9?

• 27

• 35

• 44

• 53

If a number is a multiple of both 4 and 6, which of the following must it also be a multiple of?

• 8

• 10

• 12

• 14

Which of the following is NOT a factor of 60?

• 3

• 5

• 7

• 10

How many factors does the number 49 have?

• 2

• 3

• 4

• 5