Find GCF & LCM

Find the GCF (Greatest Common Factor) of 50 and 40.

• 5

• 2

• 10

• 8

What is the GCF (Greatest Common Factor) of 12 and 30?

• 4

• 2

• 5

• 6

Find the GCF (Greatest Common Factor) of 64 and 144.

• 8

• 6

• 16

• 2

What is the GCF (Greatest Common Factor) of 25 and 15?

• 5

• 10

• 15

• 20

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

• 4

• 40

• 15

• 20

Find the LCM (Least Common Multiple) of 3 and 5.

• 15

• 20

• 30

• 33

What is the LCM (Least Common Multiple) of 8 and 12?

• 48

• 24

• 76

• 96

Find the LCM (Least Common Multiple) of 18 and 24.

• 6

• 72

• 24

• 5

What is the LCM (Least Common Multiple) of 8 and 5?

• 50

• 40

• 5

• 8

Find the GCF of each set of numbers.
12, 30

• 4

• 2

• 5

• 6