Least Common Multiples

Kiara baked 30 oatmeal cookies and 48 chocolate chip cookies to package in plastic containers
for her teacher friends at school. She wants to divide the cookies into identical containers so that each
container has the same number of each kind of cookie. If she wants each container to have the
greatest number of cookies possible, how many plastic containers does she need?

• 2

• 4

• 6

• 8

At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items?

• 16th customer

• 150th customer

• 300th customer

• 180th customer

Peter has 18 oranges and 27 pears. He wants to make fruit baskets with the same number of each fruit in each basket. How many PEARS will be in the greatest number of fruit baskets?

• 7

• 8

• 9

• 10

Two clocks are turned on at the same time. One clock chimes every 15 minutes. The other clock chimes every 25 minutes. In how many minutes will they chime together?

• 55 minutes

• 25 minutes

• 60 minutes

• 75 minutes

LCM(12, 8)

• 96

• 24

• 36

• 72

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

What is the Least Common Multiple of 4 and 14

• 28

• 42

• 56

• 24

What is the LCM of 3 and 4?

• 4

• 6

• 12

• 24

LCM(3, 8) =

• 16

• 24

• 32

• 48