Prime Factorization

2 x 2 x 2  or 2³ is the prime factorization of

• 6

• 12

• 22

• 8

Which is the prime factorization of 12? 

• 2 x 6

• 2 + 2 + 2 + 2 + 2 + 2 

• 2² x 3

• 1 x 2² x 3

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 number tree to find the prime factorization of 48

• 4x2x6

• 4x2²x3

• 3x2⁴

• 12x4

Create a factor tree and find the prime factorization for 80

• 2⁴⋅5

• 4²⋅5

• 2⋅2⋅2

• 8⋅5⋅2

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

Only 1 answer below could be correct for the prime factorization of a number. Which answer could be correct. 

• 4⋅2⋅5

• 2⋅3²⋅7

• 15²⋅7

• 7²⋅4²

In a power, an _______ is the the number that tells how many times the base is used as a factor.

• exponent

• base

• composite number

• prime number

Any base to the power of zero equals...

• -1

• the base

• 0

• 1

Write 144 in prime factorization. You can use the ladder or factor tree. Show your work.

• 2² x 3⁴

• 2⁴ x 3²

• 2³ x 3³

• 2⁴ x 3³