Prime Factorization

Use a number tree to find the prime factorization of 32

• 2 x 2 x 2 x 4

• 2 x 2 x 2 x 2 x 2

Use a number tree to find the prime factorization of 60

• 5 x 3 x 2 x 2

• 7 x 6 x 5

Tags

CCSS.4.OA.B.4

Use a number tree to find the prime factorization of 42

• 4 x 4 x 3

• 7 x 3 x 2

Use a number tree to find the prime factorization of 64

• 2 x 2 x 2 x 2 x 2 x 2

• 4 x 4 x 2 x 2

Tags

CCSS.6.EE.A.1

Use a number tree to find the prime factorization of 72

• 2 x 2 x 2 x 3 x 3

• 4 x 3 x 3 x 2

Use a number tree to find the prime factorization of 18

• 3 x 3 x 2

• 3 x 3 x 3

Write 28 as a product of its prime factors.

• 2 x 2 x 7

• 4 x 7

Which list contains all prime numbers?

• 2, 3, 5, 7, 11

• 2, 3, 5, 7, 9

Tags

CCSS.4.OA.B.4

Which list contains composite numbers?

• 4, 6, 8, 9, 12

• 2, 4, 6, 7, 12

Tags

CCSS.4.OA.B.4

Write 63 as a product of its prime factors.

• 3 x 3 x 7

• 9 x 7