Prime Factorization 9.2

A prime number...

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

A composite number ...

• has more than 2 factors.
• has one factor.
• has at least 10 factors.
• is always a really big number.

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Is 5 prime or composite? 

• Prime
• Composite

Use a factor tree to find the prime factorization of 32

• 2x2x2x4

• 2x2x2x2x2

• 4x4x2

• 2x2x2x2x1

Use a factor tree to find the prime factorization of 60

• 5x3x2x2

• 7x6x5

• 5x3x3x2

• 7x5x4

Write 36 as the product of it's prime factors...

• 2 x 2 x 3 x 3

• 2 x 2 x 2 x 3

• 2² x 3²

• 2² x 3

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