Greatest Common Factor Review

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the GCF of 15 and 30?

• 3
• 5

• 15

• 60

What is the GCF of 24 and 40?

• 2

• 4

• 8

• 16

Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of 20 and 30?

• 5
• 2
• 10
• 20

GCF of 99 and 54

• 9
• 3
• 6
• 8

GCF stands for...

• great calculator festival
• giant circumference fact
• grouped calculation finder
• greatest common factor

What is the greatest common factor of 6 and 21?

• 6
• 2
• 3
• 7