Find GCF LCM

Find the GCF of each set of numbers.
14, 56, 63

• 9

• 4

• 7

• 8

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

• 4

• 2

• 5

• 6

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

• 15

• 20

• 30

• 33

Find the LCM of each set of numbers.
8, 12 

• 48

• 24

• 76

• 96

Find the LCM of each set of numbers. 
 4, 5, 6 

• 20

• 36

• 45

• 60

Find the LCM of each set of numbers. 
5, 10, 15 

• 50

• 30

• 90

• 150

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

• 1

• 6

• 2

• 3

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

• 15

• 20

• 30

• 33

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