Factors, Multiples, Prime Numbers...OH MY!

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

Find the missing multiple.

10: 10, 20, 30, 40, ___, 60, 70, 80

• 100

• 45

• 50

Tags

CCSS.1.NBT.A.1

What number is the only even prime number?

• 0
• 2
• 1
• 3

Tags

CCSS.4.OA.B.4

Is 3 a factor of 21?

• yes

• no

Tags

CCSS.4.OA.B.4

Which lists all the factors of 20?

• 1, 20

• 1, 4, 5, 20

• 1, 2, 4, 5, 10, 20

• 1, 2, 10, 20

Tags

CCSS.4.OA.B.4

Which one is a multiple of 4?

• 33

• 22

• 24

Tags

CCSS.4.OA.B.4

Which number is NOT prime?

• 3
• 7
• 17
• 21

Tags

CCSS.4.OA.B.4

Is 3 a factor of 26?

• yes

• no

Tags

CCSS.4.OA.B.4

TRUE or FALSE: All odd numbers are prime.

• True

• False

Tags

CCSS.4.OA.B.4

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