Factors and Prime Factorization

Besides 16 and 1, what is one factor of 16?

• 4

• 6

• 10

• 18

Tags

CCSS.4.OA.B.4

Which number is a factor of 12?

• 8

• 5

• 9

• 3

Tags

CCSS.4.OA.B.4

Besides 20 and 1, what is one factor of 20?

• 5

• 6

• 11

• 19

Tags

CCSS.4.OA.B.4

Which is a factor of 4?

• 12

• 9

• 2

• 3

Tags

CCSS.4.OA.B.4

Besides 49 and 1, what is one factor of 49?

• 7

• 2

• 20

Tags

CCSS.4.OA.B.4

What is the prime factorization of 20?

• 2 x 2 x 5 x 5

• 2 x 5

• 2 x 2 x 2 x 5

• 2 x 2 x 5

What is the prime factorization of 10?

• 2 x 5

• 2 x 2 x 5

• 2 x 10

• 5

What is the prime factorization of 18?

• 2 x 3 x 3

• 2 x 2 x 3 x 3

• 2 x 3 x 3 x 3

• 2 x 3

What is the prime factorization of 15?

• 15

• 5

• 3 x 3 x 5

• 3 x 5

Which number is prime?

• 18

• 5

• 20

• 9

Tags

CCSS.4.OA.B.4