Factors and Multiples Practice

Which of the following lists all the factors of fifteen?

• 1, 2, 3, 5, 8, 10, 15

• 1, 3, 5, 15

• 1, 5, 10, 15

• 1, 5, 15

Which of these is not a multiple of six?

• 18

• 30

• 42

• 56

Mrs. Hughes wrote four numbers on the board and asked her students to select the number that is both a factor of 24 and a multiple of four. Which number should the students select?

• 2

• 6

• 8

• 16

Which list contains only multiples of seven?

• 7, 28, 49, 56, 70

• 1, 7

• 14, 24, 42, 63

• 1, 7, 14, 28

The array proves that ___ is a factor of ____.

• 5 ; 20

• 4 ; 25

• 25 ; 5

• 5 ; 25

Kaylen has 20 balls of cookie dough to place into the oven. What are two ways she can group the dough onto trays so that each tray has the same number of cookies?

• 2 trays of 10 cookies or 4 trays of 6 cookies

• 1 tray of 20 cookies or 5 trays of 6 cookies

• 2 trays of 10 cookies or 4 trays of 5 cookies

• 3 trays of 5 cookies or 2 trays of 20 cookies

What is the least common multiple (LCM) of 6 and 8?

• 6

• 8

• 48

• 24

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

List the first 5 multiples of 20

• 1, 2, 4, 5, 10

• 1, 20, 2, 10, 4, 5

• 20, 40, 60, 80, 100

• 20, 25, 30, 35, 40

List the factors of 12.

• 1, 2, 3, 4, 6, 12

• 12, 24, 36, 48, 60...

• 1, 12, 24, 4, 6