Prime Factorization

What is the prime factorization of 20?

• 2 x 5
• 1 x 20
• 2 x 10
• 2² x 5

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Use a number tree to find the prime factorization of 48

• 4x2x6
• 4x2x2x3
• 3x2x2x2x2
• 12x4

Using a Factor Tree, find the prime factorization of 24.

• 2³ x 3

• 2² x 3 x 4

• 2² x 3

• 3 x 8

Tags

CCSS.4.OA.B.4

Using a Factor Tree, find the prime factorization of 18. 

• 9 x 2
• 3 x 2²
• 3² x 2
• 3³

Tags

CCSS.4.OA.B.4

The following prime factorization represents which number:  2² x 3 x 7

• 14
• 84
• 42
• 70

Tags

CCSS.6.EE.A.1

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

Is 5, a prime or composite number? 

• Prime
• Composite

Tags

CCSS.4.OA.B.4

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

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