Greatest Common Factor

What is the GCF of 40 and 60?

• 1

• 2

• 10

• 20

There are 32 forwards and 80 guards in Leo's basketball league. Leo must include all players on a team and wants each team to have the same number of forwards and the same number of guards. If Leo creates the greatest number of teams possible, how many guards will be on each team?

• 1

• 2

• 8

• 16

Find the greatest common factor of 24 and 48

• 4
• 12
• 24
• 48

Jane has 18 juice boxes, 24 bags of peanuts and 36 apples.  She wants to make snack bags with the same number of each thing in each bag.  What is the greatest number of snack bags Jane can make.

• 4
• 6
• 8
• 10

What is the GCF of 12 and 17?

• None

• 0

• 1

• 3