GCF-LCM

What is the LCM (Least Common Multiple) of 4 and 10?

• 4

• 40

• 15

• 20

What is the GCF (Greatest Common Factor) of 12 and 6?

• 1

• 6

• 2

• 3

GCF of: 
14 and 20

• 7
• 28
• 2
• 6

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

GCF 24 and 36

• 8
• 6
• 12
• 4

What is the LCM of 10 and 5?

• 5

• 10

• 15

• 50

What is the GCF of 56 and 49?

• 14

• 2

• 8

• 7

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