Mastering L.C.M of Numbers

What is the L.C.M of 12 and 15?

• 75

• 60

• 45

• 30

List the first five multiples of 4.

• [2, 6, 10, 14, 18]

• [4, 8, 12, 16, 24]

• [1, 5, 9, 13, 17]

• [4, 8, 12, 16, 20]

Find the L.C.M of 8 and 10 using the listing method.

• 50

• 30

• 20

• 40

If a number is a multiple of 6, what are its first three multiples?

• 3, 9, 15

• [6, 12, 18]

• 6, 10, 14

• 12, 24, 30

What is the L.C.M of 24 and 36?

• 72

• 84

• 60

• 48

Compare the L.C.M of 14 and 21 with the L.C.M of 18 and 27. Which is larger?

• The L.C.M of 14 and 21 is smaller.

• Both L.C.Ms are equal.

• The L.C.M of 18 and 27 is larger.

• The L.C.M of 14 and 21 is larger.

Solve: The L.C.M of two numbers is 30. If one number is 5, what is the other number?

• 12

• 15

• 6

• 10

List the first five multiples of 9.

• [9, 18, 27, 36, 45]

• [10, 20, 30, 40, 50]

• [7, 14, 21, 28, 35]

• [8, 17, 26, 35, 44]

What is the L.C.M of 18 and 24 using the listing method?

• 72

• 48

• 36

• 54

If a number is a multiple of 5, what are its first three multiples?

• 5, 10, 15

• 5, 10, 20

• 3, 6, 9

• 4, 8, 12