GCF and LCM Quiz

Find the GCF of 12 and 18.

• 2

• 3

• 9

• 6

Find the LCM of 8 and 12.

• 10

• 16

• 20

• 24

Find the GCF of 24 and 36.

• 12

• 30

• 6

• 18

Find the LCM of 15 and 25.

• 75

• 100

• 50

• 30

Find the GCF of 48 and 60.

• 6

• 24

• 36

• 12

Find the LCM of 10 and 20.

• 30

• 5

• 15

• 20

Find the GCF of 36, 48, and 60.

• 6

• 12

• 18

• 24

Find the LCM of 12, 18, and 24.

• 48

• 36

• 72

• 60

Find the GCF of 15, 25, and 35.

• 5

• 10

• 3

• 20

Find the LCM of 20, 30, and 40.

• 60

• 80

• 120

• 100