Least Common Multiple

Every sixth visitor to an animal shelter gets a free animal calendar. Every twentieth visitor gets a free animal toy. Which visitor each day will be the first one to get both the calendar and the animal toy?

• Visitor 2

• Visitor 26

• Visitor 120

• Visitor 60

Walmart 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

Representatives running for office are handing out items to voters. Every 8th voter gets a button. Every 10th voter gets a sticker. Which voter is the first to receive both items?

• 40

• 24

• 48

• 80

Find the least common multiple (LCM) of 2 and 3.

• 2

• 3

• 6

• 12

Find the least common multiple (LCM) of 3 and 15.

• 3

• 15

• 45

Find the least common multiple (LCM) of 10 and 20.

• 5

• 10

• 20

• 40

Find the least common multiple (LCM) of 6 and 12.

• 3

• 4

• 6

• 12

Find the least common multiple (LCM) of 5 and 25.

• 5

• 10

• 25

• 125

Find the least common multiple (LCM) of 4 and 6.

• 4

• 6

• 12

• 24

Find the least common multiple (LCM) of 3 and 7.

• 7

• 3

• 21

• 14