Prime Factorization

What is a Prime Number?

• A number that has more than two factors

• An Odd Number

• A number that only has two factors; one and itself.

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Tags

CCSS.4.OA.B.4

A prime number

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

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

2 x 2 x 2 is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.4.OA.B.4

What is the prime factorization of 33?

• 33

• 11x3

• 10x3

• 3x3x3x2

One is...

• prime

• composite

• not prime or composite

• the loneliest 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

Is 12, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Is 17, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4