GCF Quiz

Identify the GCF of 24 and 36.

• 6

• 12

• 18

• 24

What is the GCF of 18 and 24?

• 2

• 3

• 6

• 12

Find the GCF of 30 and 45.

• 5

• 10

• 15

• 20

What is the GCF of 15 and 25?

• 5

• 10

• 15

• 20

What is the GCF of 21 and 14?

• 1

• 3

• 7

• 14

What is the GCF of 50 and 75?

• 15

• 25

• 35

• 50

Identify the GCF of 14 and 28.

• 2

• 7

• 14

• 28

What is the GCF of 8 and 12?

• 2

• 4

• 6

• 8

What is the greatest common factor (GCF) of 12 and 18?

• 2

• 3

• 6

• 9

Find the GCF of 40 and 60.

• 10

• 20

• 30

• 40