Least Common Multiple

Find the Least Common Multiple for the set of numbers below.

4, 10

The Multiples of 4 are: 4, 8, 12, 16, __

The Multiples of 10 are: 10, __, 30, 40

• 4

• 10

• 20

• 40

Find the Least Common Multiple for the set of numbers below.

10, 12

The Multiples of 10 are: 10, 20, 30, 40, 50, __

The Multiples of 12 are: 12, 24, 36, 48, __

• 60

• 120

• 10

• 12

Find the Least Common Multiple for the set of numbers below.

15, 20

The Multiples of 15 are: 15, 30, 45, __

The Multiples of 20 are: 20, 40, __

• 15

• 20

• 60

• 120

Find the Least Common Multiple for the set of numbers below.

3, 4

• 6

• 8

• 12

• 24

Find the Least Common Multiple for the set of numbers below.

8, 10

• 10

• 20

• 30

• 40

Find the Least Common Multiple for the set of numbers below.

7, 8

• 14

• 24

• 56

• 64

Find the Least Common Multiple for the set of numbers below.

10, 25

• 10

• 25

• 50

• 250

Find the Least Common Multiple for the set of numbers below.

4, 5, 12

• 12

• 24

• 30

• 60

Linda is sending out cards. If envelopes come in boxes of 25 and stamps come in packs of 10, what is the least number of stamps and envelops she can buy to get one stamp for each envelope?

• 50 Stamps and 50 Envelopes

• 100 Stamps and 100 Envelopes

• 50 Stamps and 100 Envelopes

• 250 Stamps and 50 Envelopes

Blue buttons come in packs of 25, and green buttons come in packs of 40. What is the least common multiple of 25 and 40?

• 100

• 1,000

• 200

• 400