Least Common Multiples

What is the least common multiple (LCM) of 4 and 10?

• 4

• 40

• 15

• 20

Find the Least Common Multiple of 3 and 12

(a)  

What is the least common multiple (LCM) of 3 and 20?

• 60

• 40

• 20

• 3

What is the LCM of 15 and 10?

• 15

• 25

• 30

• 20

What is the least common multiple of 2 and 7?

• 15

• 26

• 14

• 10

What is the least common multiple of 8 and 9?

• 144

• 36

• 18

• 72

What is the least common multiple of 4 and 12?

• 4

• 12

• 24

• 36

tore employees are handing out coupons. Every 10th customer gets a $1 coupon. Every 12th customer gets a $2 coupon. Which customer is the first to receive both coupons?

• 20

• 30

• 60

• 120

What is the least common multiple of 2 and 11?

• 11

• 110

• 22

• 44

What is the least common multiple (LCM) of 15 and 2?

• 30

• 2

• 45

• 152