Prime Factorization

A prime number...

• has one factor.
• has more than 2 factors.
• has 100 factors.
• has exactly 2 factors: 1 and the itself.

Which of the following is NOT prime?

• 29

• 23

• 17

• 39

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

2 x 2 x 2 is the prime factorization of...

• 6
• 12
• 22
• 8

Find the prime factorization of 72

• 2³ x 3²

• 2 x 3² x 4

• 2⁴ x 3³

• 2² x 6²

What is the prime factorization of 192 ? 

• 3 ⋅ 6²
• 2⁶ ⋅ 3
• 2⁸ ⋅ 3
•  3 ⋅ 8² 

What is the missing factor?

• 3

• 5

• 6

• 7

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5

What are the factors of 24?

• 1, 2, 3, 4, 6, 8, 12, 24
• 1, 3, 6, 8, 24
• 1, 2, 3, 4, 6
• 1, 24

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

• 2

• 3

• 2 and 2

• 2, 2, and 2