Prime Factorization

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

What is the prime factorization of 15?

(a)  

What number is equal to 2 x 2 x 5?

(a)  

Create a factor tree and find the prime factorization for 80

• 2⁴⋅5
• 4²⋅5
• 2⋅2⋅2
• 8⋅5⋅2

Using a Factor Tree, find the prime factorization of 75.  

• 5² x 3
• 5 x 5 x 3
• 3² x 5
• 15 x 5

Use a factor tree to find the prime factorization of 32

• 2x2x2x4

• 2x2x2x2x2

• 4x4x2

• 2x2x2x2x1

Which of the following are all prime numbers

• 2, 3, 6, 7, 9
• 2, 4, 8, 16
• 2, 3, 5, 7, 9
• 2, 3, 5, 7, 11

Give the prime factorization of 50.

(a)  

What number is never allowed in a factor tree? 

• 13 (it's bad luck!)
• 1 
• 8675309
• 2

What is the prime factorization of 60?

(a)