Greatest Common Factor

Find the greatest common factor between 12 and 36

• 3

• 6

• 12

• 18

Find the greatest common factor between 45 and 75

• 9

• 25

• 5

• 15

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

GCF 15 and 36

• 8

• 6

• 3

• 4

GCF of 16 and 18

• 4
• 2
• 6
• 8

GCF of 8 and 20

• 8
• 2
• 4
• 10

GCF of 12 and 28

• 3
• 6
• 2
• 4

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

• 4

• 8

• 1

• 3

​ (a)  

• 8
• 2
• 4
• 16
• 1