Prime Factorization with Monomials

What is the correct prime factorization of 45?

• 5 x 9

• 15 + 30

• 2x3x5

• 3 x 3 x 5

• 56 = 7 x 2 x 2 x 2 x 2

• 56 = 7 x 4 x 2  

• 56 = 7 x 2 x 2 x 2

• 56 = 7 x 8  

Tags

CCSS.4.OA.C.5

Find the prime factorization of 72

• 2³ x 3²

• 2 x 3² x 4

• 2⁴ x 3³

• 2² x 6²

Find the prime factorization for 80

• 4² ⋅ 5

• 2⁴ ⋅ 5

• 2 ⋅ 2 ⋅ 2

• 8 ⋅ 5 ⋅ 2

Which is the CORRECT prime factorization of 18?

• 2 x 9

• 3 x 6

• 2 x 3²

• 2⁹

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

• 3 x 5²

• 3 x 5 x 5

• 3² x 5

• 5 x 15

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

If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be?

• 2⋅3⋅5⋅7

• 2³⋅3²⋅5⋅7

• 2²⋅3²⋅5⋅7

• 8⋅9⋅35

Tags

CCSS.6.EE.A.1

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