Review on GCF and LCM

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

• 4

• 14

• 40

• 20

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

• 1

• 2

• 6

• 3

Find the LCM of 18 and 24.

• 15

• 6

• 24

• 72

GCF 24 and 36 is?

• 8

• 12

• 6

• 4

Which of the following is a multiple of 7?

• 8

• 14

• 22

• 47

Which shows the complete factors of 12?

• 1, 2, 3, 4, 6, 12

• 1, 3, 6, 12

• 1, 2, 4, 12

• 1, 2, 3, 4, 5, 6, 12

What is the LCM of 10 and 5?

What is the GCF of 16 and 40?

GCF of 12 and 18 is?

What is the LCM of 14 and 20?