Prime Factorization

A prime number...

• has one factor.

• has more than 2 factors.

• has only 2 factors.

Tags

CCSS.4.OA.B.4

A composite number ...

• has more than 2 factors.

• has one factor.

• has at least 10 factors.

Tags

CCSS.4.OA.B.4

One is...

• prime

• composite

• Neither

Tags

CCSS.4.OA.B.4

Which of the following is NOT prime?

• 2

• 4

• 13

Tags

CCSS.4.OA.B.4

Is 5, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Is 34, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

Which is the prime factorization of 12 ?

• 2 x 6

• 2 + 2 + 2 + 2 + 2 + 2

• 2 x 2 x 3

What is the prime factorization of 16 ?

• 1 x 16

• 2 x 2 x 4

• 2 x 2 x 2 x 2

Find the prime factorization for 80

• 4 x 5 x 4

• 2 x 2 x 2 x 2 x 5

• 2 x 2 x 2 x 5

Use a number tree to find the prime factorization of 60

• 2 x 2 x 3 x 5

• 7 x 6 x 5

• 2 x 5 x 6

Tags

CCSS.4.OA.B.4