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?

(a)  

What is the GCF of 16 and 40?

(a)  

GCF of 12 and 18 is?

(a)  

What is the LCM of 14 and 20?

(a)