Factors/Prime & Composite Numbers

Check all the correct answers.

Which of the following numbers have 2 as a factor?

• 8

• 10

• 15

• 24

Tags

CCSS.4.OA.B.4

Check all the correct answers.

Which of the following numbers have 5 as a factor?

• 15

• 20

• 25

• 32

Tags

CCSS.4.OA.B.4

Is 3 a factor of 21?

• yes

• no

Tags

CCSS.4.OA.B.4

Is 3 a factor of 26?

• yes

• no

Tags

CCSS.4.OA.B.4

Find the missing factor.

28 = 7 x __

Tags

CCSS.2.OA.C.3

Find the missing factor.

40 = 5 x __

Tags

CCSS.3.OA.A.1

Which lists all the factors of 64?

• 1, 64

• 1, 2, 3, 4, 5, 6, 7, 8

• 1, 2, 32, 64

• 1, 2, 4, 8, 16, 32, 64

Tags

CCSS.4.OA.B.4

Which lists all the factors of 100?

• 1, 2, 4, 5, 10, 20, 25, 50, 100

• 1, 100

• 1, 2, 3, 4, 5, 6, 7, 8, 25, 50, 100

• 1, 2, 4, 5, 10

Tags

CCSS.4.OA.B.4

Which lists all the factors of 20?

• 1, 2, 4, 5, 10, 20
• 1, 2, 5, 10, 20
• 1, 4, 5, 20
• 1, 2, 10, 20

Tags

CCSS.4.OA.B.4

Which lists all the factors of 15?

• 1, 7, 8, 15
• 1, 15
• 1, 3, 5, 15
• 3, 5, 15

Tags

CCSS.4.OA.B.4