Factors & Multiples

Which number is a factor of 6?

• 12
• 2
• 8
• 10

Tags

CCSS.4.OA.B.4

Which number is not a factor of 24?

• 6
• 8
• 3
• 14

Tags

CCSS.4.OA.B.4

Which are the factors of both 6 and 15?

• 9
• 5
• 6
• 3

Which set of numbers show all the factors for 15?

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

Tags

CCSS.4.OA.B.4

Which answer choice lists all the factors for 27?

• 3, 9
• 1, 3, 9, 27
• 1, 3, 6, 9, 12, 27
• 1, 3, 6, 9, 18, 27

A prime number is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

The only factors of 9 are 1 and 9 making the number 9 prime.

• True
• False

Tags

CCSS.4.OA.B.4

Which number is NOT prime?

• 3
• 7
• 17
• 21

Tags

CCSS.4.OA.B.4

Which number is prime?

• 9
• 5
• 15
• 1

Tags

CCSS.4.OA.B.4

Which number is a prime number?

• 8
• 10
• 3

Tags

CCSS.4.OA.B.4