Gcf

Determine the greatest common factor of 30 and 45.

• 20

• 10

• 15

• 25

Calculate the greatest common factor of 16 and 24.

• 8

• 12

• 4

• 20

What is the greatest common factor of 40 and 60?

• 10

• 15

• 25

• 20

Find the greatest common factor of 72 and 108.

• 18

• 24

• 36

• 45

Determine the greatest common factor of 50 and 75.

• 20

• 15

• 10

• 25

What is the greatest common factor of 63 and 84?

• 21

• 15

• 42

• 28

Find the greatest common factor of 90 and 120.

• 50

• 30

• 15

• 45

Calculate the greatest common factor of 54 and 81.

• 18

• 27

• 45

• 36

What is the Greatest Common Factor (GCF) of 12 and 18?

• 9

• 2

• 6

• 12

What's the GCF of 6 and 18?

• 1

• 3

• 6

• 2