Greatest Common Factor

Which of the following are factors of 24?

• 1

• 5

• 6

• 8

• 10

What does GCF stand for?

What is the GCF of 20 and 32?

What is the GCF of 24 and 56?

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

GCF of 24 and 56

• 2
• 4
• 6
• 8

GCF of 4 and 6

• 2
• 3
• 4
• 6

what numbers are the factors of 9?

• 9,18,27,36
• 1,2,9
• 1,3,9
• 0,1,3,9

Which number is a factor of 21

• 8
• 9
• 6
• 3

Which number is a factor of 23?

• 8
• 4
• 3
• 1