Prime Factorizations

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 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 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

Match the prime factorization to each number.

• 81

• 
• 26

• 
• 1000

• 
• 200

• 
• 111

• 

What is the prime factorization of 24?

• 3 x 8

• 3 x 2 x 2 x 2

• 4 x 6

• 2 x 2 x 3

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

Write 63 as a product of its prime factors.

• 3 x 3 x 7

• 9 x 7