Factor Tree Prime Factorization

Identify the prime numbers in the following list: 2, 3, 4, 5, 6, 7, 8, 9

• 3, 6, 9

• 2, 3, 5, 7

• 1, 4, 6

• 2, 4, 8

Tags

CCSS.4.OA.B.4

Create a factor tree for the number 24.

• 2 * 3 * 4

• 2 * 2 * 6

• 2 * 2 * 2 * 4

• 2 * 2 * 2 * 3

Find the prime factorization of 36.

• 2^2 * 3^2

• 2^1 * 3^2

• 2^3 * 3^1

• 2^2 * 3^1

Tags

CCSS.4.OA.B.4

What are the prime factors of 45?

• 1, 45

• 5, 9

• 2, 3

• 3, 5

Solve the prime factorization of 56.

• 2^4 x 7

• 2^2 x 14

• 2 x 28

• 2^3 x 7

Identify the prime numbers in the following list: 11, 12, 13, 14, 15, 16, 17, 18

• 11, 13, 17

• 12, 14, 16

• 13, 15, 17

• 11, 14, 17

Tags

CCSS.4.OA.B.4

Create a factor tree for the number 48.

• 2 * 2 * 2 * 2 * 3

• 3 * 3 * 3 * 3

• 2 * 2 * 4 * 6

• 2 * 2 * 2 * 3 * 3

Find the prime factorization of 72.

• 2^2 * 3^2 * 5

• 2^2 * 3^3

• 2^4 * 3

• 2^3 * 3^2

What are the prime factors of 81?

• 7

• 3

• 5

• 2

Solve the prime factorization of 90.

• 2 x 3^3 x 5

• 2 x 3^2 x 5

• 2 x 3 x 5

• 2^2 x 3 x 5