Factors & Multiples

Which number has 2 as a factor?

• 25

• 28

• 31

• 33

Tags

CCSS.4.OA.B.4

Which number has 3 as a factor?

• 45

• 46

• 47

• 50

Tags

CCSS.4.OA.B.4

Which of the following numbers is prime? Use your factor rules to eliminate answers.

• 35

• 36

• 37

• 38

Tags

CCSS.4.OA.B.4

Which of the following numbers is prime? Use your factor rules to eliminate answers.

• 81

• 82

• 83

• 85

Tags

CCSS.4.OA.B.4

Select all of the numbers that are multiples of 5.

• 10

• 12

• 18

• 25

• 30

Tags

CCSS.4.OA.B.4

Which number is "not" a multiple of 4?

• 2

• 4

• 8

• 12

Tags

CCSS.4.OA.B.4

Below is a list of multiples of 6. What factor do they all share?

6, 12, 18, 24, 30...

• 5

• 6

• 9

• 10

Tags

CCSS.4.OA.B.4

Select the factor pairs of 40

• 1 x 40

• 2 x 20

• 4 x 10

• 5 x 8

Tags

CCSS.4.OA.B.4

Which of the following numbers has 6 as a factor? (Both 2 and 3 must be factors)

• 51

• 52

• 54

• 57

Which number is a multiple of both 4 and 5?

• 12

• 15

• 16

• 20