Prime Factorization

What is the prime factorization of 16? 

• 1 x 16

• 2 x 2 x 4

• 2 x 2 x 2 x 2

• 8 + 8

Use a number tree to find the prime factorization of 72

• 2x2x2x3x3

• 4x3x3x2

• 4x2x2x2x2

Use a number tree to find the prime factorization of 48

• 4x2x6

• 4x2x2x3

• 3x2x2x2x2

• 12x4

Tags

CCSS.4.OA.B.4

Is 5 prime or composite? 

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Find the prime factorization of 36.

• 2^4 * 3^2

• 2^2 * 3^2

• 2^3 * 3^2

• 2^2 * 3^3

Find the prime factorization of 60.

• 2 x 2 x 2 x 3

• 2 x 2 x 3 x 5

• 2 x 2 x 2 x 2 x 2

• 2 x 3 x 3 x 5

Find the prime factorization of 12.

• 2 x 3

• 2 x 3 x 3

• 2 x 2 x 3

• 2 x 2 x 3 x 3

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

Find the prime factorization of 120.

• 3 x  5 x  8

• 2³ x 3 x  5

• 2² x  3 x  5

• 2  x  3²  x   5

Match the prime factorization to each number.

• 1000

• 
• 200

• 
• 26

• 
• 81

• 
• 111

•