GCF LCM

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

Find the GCF of 12 and 6. 

• 1
• 6
• 2
• 3

Find the LCM of each set of numbers. 
 3, 5 

• 15
• 20
• 30
• 33

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

• 50
• 40
• 5
• 8

GCF of 12 and 18

• 3
• 4
• 6
• 2

Which of the following is a multiple of 7?

• 14

• 17

• 22

GCF of 32 and 40

• 2
• 4
• 6
• 8

GCF (25, 15)

• 5
• 10
• 15
• 20

Is 32 ODD or EVEN?

• ODD

• EVEN

Is 43 ODD or EVEN?

• ODD

• EVEN