Find the GCF of Two Numbers

Find the GCF of 64 and 144

• 8

• 6

• 16

• 2

What is the GCF of 20 and 30?

• 5

• 2

• 10

• 20

What is the greatest factor of 28 and 49?

• 1

• 2

• 7

• 12

GCF of 99 and 54

• 9

• 3

• 6

• 8

GCF stands for...

• great calculator festival

• giant circumference fact

• grouped calculation finder

• greatest common factor

Find the GCF of 12 and 6. 

• 1

• 6

• 2

• 3

GCF (25, 15)

• 5

• 10

• 15

• 20

Find the GCF (Greatest Common Factor) of 50 and 40.

• 5

• 2

• 10

• 8

GCF 24 and 36

• 8

• 6

• 12

• 4

GCF of: 
14 and 20

• 7

• 28

• 2

• 6