Factors Review

Which of the following numbers is a factor of 6?

• 12
• 2
• 8
• 10

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

Which set lists all the factors of 24?

• 1, 2, 3, 6, 7, 12, 24
• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 2, 3, 4, 5, 6, 8, 12, 24
• 1, 3, 4, 6, 8, 24

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 of the factors of 36?

• 1, 4, 6, 9, 36
• 1, 2, 3, 4,  9, 12, 18, 36
• 1, 2,  4, 6, 9, 18, 36
• 1, 2, 3, 4, 6, 9, 12, 18, 36

Tags

CCSS.4.OA.B.4

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

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

What is the missing factor?

• 1

• 2

• 5

• 8

Tags

CCSS.4.OA.B.4

What are the missing factors?

• 2 and 3

• 3 and 6

• 3 and 3

• 1 and 9

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.A.4

CCSS.3.OA.B.6

What is the missing factor?

• 3

• 5

• 6

• 7

Tags

CCSS.4.OA.B.4