Factor Pairs

Is 14 a PRIME or COMPOSITE number?

• PRIME

• COMPOSITE

Answer explanation

The factor pairs are 1x14 and 2x7!

Tags

CCSS.4.OA.B.4

Choose TWO factor pairs of 15.

• 1, 15

• 2, 13

• 3, 5

• 4, 11

Tags

CCSS.4.OA.B.4

Is 9 a PRIME or COMPOSITE number?

• PRIME

• COMPOSITE

Answer explanation

The factor pairs are 1X9 and 3X3!

Tags

CCSS.4.OA.B.4

ALL the factor pairs for 18 are

• 1x18

• 1x18, 2x9, 3x6

• 3x6

• 1x18, 2x9

Tags

CCSS.4.OA.B.4

Is 36 a PRIME or COMPOSITE number?

• PRIME

• COMPOSITE

Answer explanation

The factor pairs are 1x36, 2x18, 3x12, 4x9 and 6x6!

Tags

CCSS.4.OA.B.4

Pick ALL of the factor pairs for the number:

36

• 2 x 18    

• 4 x 9 

• 6 x 6

• 3 x 12

Tags

CCSS.4.OA.B.4

Which answer choice 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

Is 29 a PRIME or COMPOSITE number?

Answer explanation

The ONLY factors of 29 are 1x29!

Tags

CCSS.4.OA.B.4