Mastering Multiples and Factors

Which of the following is a multiple of 5?

• 12

• 25

• 33

• 49

What are the factors of 16?

• 1, 2, 4, 8, 16

• 1, 2, 4, 16

• 1, 4, 8

• 2, 4, 8

Which of the following is NOT a multiple of 3?

• 9

• 15

• 21

• 22

Find the greatest common factor (GCF) of 24 and 36.

• 6

• 12

• 18

• 24

Which of the following numbers is a factor of 42?

• 5

• 7

• 11

• 13

What is the smallest multiple of 9 that is greater than 50?

• 54

• 63

• 72

• 81

Which of the following is a common factor of 28 and 42?

• 2

• 7

• 14

• Both A and B

How many factors does the number 15 have?

• 2

• 4

• 6

• 8

Which of the following is a multiple of both 2 and 3?

• 12

• 15

• 18

• All of the above

Find the greatest common factor (GCF) of 81 and 108.

• 9

• 27

• 54

• 81