Finding Factors

Which number is a factor of 12?

• 5
• 4
• 8
• 24

Tags

CCSS.3.OA.B.6

CCSS.3.OA.A.4

Which number is NOT a factor of 12?

• 2
• 4
• 6
• 8

Tags

CCSS.4.OA.B.4

Which number is a factor of 21?

• 2
• 3
• 4
• 5

Tags

CCSS.3.OA.B.6

Which number is NOT a factor of 24?

• 8
• 4
• 6
• 7

Which lists all of the factors of 18?

• 1, 2, 3, 5, 6, 9, 18
• 1, 3, 6, 18
• 1, 2,  9, 18
• 1, 2, 3, 6, 9, 18

Which lists all of the factors of 20?

• 1, 2, 10, 20
• 1, 2, 4, 5, 10, 20
• 1, 4, 5, 20
• 1, 2, 4, 5, 7, 10, 20

1,2,8 and 16 are all factors of 16. Which factor is missing

• 3
• 4
• 5
• 6

Tags

CCSS.4.OA.B.4

what numbers are the factors of 9?

• 9,18,27,36
• 1,2,9
• 1,3,9
• 0,1,3,9

Tags

CCSS.4.OA.B.4

The only factors of 7 are 1 and 7 making the number 7 prime.

• True

• False

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)