Greatest Common Factor Mastery Quiz

What is the greatest common factor (GCF) of 18 and 24?

• 6

• 4

• 3

• 12

Which of the following is a common factor of 36 and 60?

• 5

• 12

• 18

• 20

Find the GCF of 21 and 24.

• 7

• 3

• 4

• 2

What is the greatest common factor of 32 and 40?

• 8

• 16

• 4

• 12

Identify the GCF of 45 and 27.

• 9

• 27

• 3

• 5

Which of the following numbers is a common factor of 25 and 35?

• 5

• 15

• 25

• 10

Find the greatest common factor of 10 and 30.

• 2

• 30

• 10

• 5

What is the GCF of 8 and 12?

• 2

• 4

• 6

• 8

Which of the following is a common factor of 9 and 15?

• 1

• 3

• 5

• 9

Tags

CCSS.4.OA.B.4

Find the greatest common factor of 14 and 49.

• 7

• 14

• 2

• 49