Greatest Common Factor

GCF of 8 and 20

• 8

• 2

• 4

• 10

GCF of 36 and 99

• 9

• 6

• 11

• 4

GCF of 16 and 40

• 4

• 8

• 2

• 10

GCF of 12 and 28

• 3

• 6

• 2

• 4

GCF of 15 and 35

• 15

• 3

• 7

• 5

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the greatest factor of 28 and 49?

• 1

• 2

• 7

• 12

What is the GCF of 7 and 18?

• 7

• 18

• 1

• 3

What is the GCF of 18 and 36?

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4