Prime factorization

Prime factorization is the ________ of the prime factors of a number.

• product

• sum

• difference

• quotient

What number is never allowed in a factor tree? 

• 13 (it's bad luck!)
• 1 
• 8675309
• 2

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.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4

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

• 3 x 5² or 3 x 5 x 5

• 1 x 5 x 5 x 3

• 3² x 5 or 3 x 3 x 5

• 15 x 5

Write 48 as the product of its prime factors.

• 4 x 2 x 6

• 4 x 2² x 3 or 4 x 2 x 2 x 3

• 2⁴ x 3 OR 2 x 2 x 2 x 2 x 3

• 12 x 4

Use a factor tree to write 32 as the product of its prime factors.

• 2 x 2 x 2 x4

• 2 x 2 x 2 x 2 x 2

• 4 x 4 x 2

• 2 x 2 x 2 x 2 x 1

If the expanded form is 2⋅2⋅2⋅3⋅3⋅5⋅7 what would the exponential form be? (write it using exponents)

• 2⋅3⋅5⋅7

• 2³⋅3²⋅5⋅7

• 2²⋅3²⋅5⋅7

• 8⋅9⋅35

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.3

CCSS.6.EE.A.4