Factor Tree Practice

What is the missing factor?

• 1

• 2

• 5

• 8

Tags

CCSS.4.OA.B.4

Use a factor tree to find prime factorization of 24.

• 2 x 3 x 2 x 3

• 2 x 3 x 2 x 2

• 6 x 2 x 2

• 2 x 3 x 4

What is the missing factor?

• 3

• 5

• 6

• 7

Tags

CCSS.4.OA.B.4

To break down 2 numbers using prime factorization trees and find what they have in common is ...

(a)  

Using a Factor Tree, find the prime factorization of 18. 

• 9 x 2

• 3 x 2²

• 3² x 2

• 3³

What is the prime factorization of 30 (tree)?

• 2 x 15

• 1 x 30

• 3 x 15

• 2 x 3 x 5

What is the GCF of 12 and 10 (prime factorization tree)?

• 10

• 2

• 6

• 5

What is the prime factorization of 42 (tree)?

• 2 x 28

• 1 x 42

• 2 x 3 x 7

• 6 x 7

Using the prime factorization trees, what is the GCF of 24 and 40?

• 17

• 12

• 4

• 8

What factors do these numbers (16 and 24) have in common?

• 2

• 3

• 2 and 2

• 2, 2, and 2

Tags

CCSS.4.OA.B.4