HW 8.5 Fri Prime Factorization, Exponents

Which of the following is a prime number?

• 49
• 53
• 66
• 81

Tags

CCSS.4.OA.B.4

All of these are prime except

• 33
• 19
• 2
• 73

Tags

CCSS.4.OA.B.4

What number is never allowed on a factor tree by itself?

• 13 (it's bad luck!)

• 1

• 8675309

• 2

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.6.EE.A.1

CCSS.6.EE.A.4

CCSS.6.EE.A.3

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

Only 1 answer below could be correct for the prime factorization of a number. Which answer could be correct. 

• 4⋅2⋅5
• 2⋅3²⋅7
• 15²⋅7
• 7²⋅4²

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.4

CCSS.6.EE.A.3

Any base to the power of 1 equals...

• -1
• the base
• 0
• 1

Tags

CCSS.8.EE.A.1

Use a number tree to find the prime factorization of 48

• 4x2x6
• 4x2²x3
• 3x2⁴
• 12x4

Tags

CCSS.4.OA.B.4

Using a Factor Tree, find the prime factorization of 75.  

• 5² x 3
• 5 x 5 x 3
• 3² x 5
• 15 x 5

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.4

CCSS.6.EE.A.3

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