Least Common Multiple LCM NS.4

What is the LCM of 3 and 4?

• 24

• 1

• 12

• 16

What is the LCM of 7 and 8?

• 7

• 8

• 56

• 42

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

• 4

• 15

• 40

• 20

What is the least common multiple (LCM) of 5 and 11?

• 55

• 25

• 5

• 11

What is the LCM of 12 and 8

• 96

• 24

• 36

• 72

What is the LCM of 6 and 10

• 30

• 60

• 50

• 40

A store gave away a $5 gift card to every 3rd customer and a $10 gift card to every 8th customer. Which customer would be the first to receive both the $5 and $10 gift cards?

• 16th customer

• 24th customer

• 30th customer

• 60th customer

Melanie and Martin are both building a toy train track out of connecting pieces. Melanie has pieces that are 8 inches long while Martin's pieces are 20 inches long. How long will the shortest track be that they can each build with the same length?

• 8

• 4

• 20

• 40

What is the LCM of 12 and 14?

• 2

• 84

• 12

• 48

What is the LCM of 18 and 15?

• 90

• 60

• 5

• 3