Prime Factorization

A prime number...

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

Tags

CCSS.4.OA.B.4

A composite number ...

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

Tags

CCSS.4.OA.B.4

Which of the following is NOT prime?

• 29

• 23

• 17

• 39

Tags

CCSS.4.OA.B.4

Is 5, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

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

• 6
• 12
• 22
• 8

Tags

CCSS.6.EE.A.1

Which is the prime factorization of 12 ? 

• 2 x 6
• 2 + 2 + 2 + 2 + 2 + 2 
• 2² x 3
• 1 x 2² x 3

Tags

CCSS.4.OA.B.4

What is the prime factorization of 16 ? 

• 1 x 16
• 2²x 4
• 2⁴
• 2² + 2²

Tags

CCSS.6.EE.A.1

What is the prime factorization of 48?

• 4x2x6

• 4x2x2x3

• 3x2x2x2x2

• 12x4

What is the prime factorization of 23?

• 3 x 7

• 2² x 3

• 23 x 1

• 23

What is the prime factorization of 49?

• 49

• 1 x 49

• 7²

• 7 x 9