Chapter 3 Mid-Chapter Test Review

Find the Prime Factorization of 36

• 3 x 3 x 2 x 2

• 9 x 4

• 6 x 6

• 3 x 2 x 2

Find the prime factorization of 66

• 11 x 6

• 11 x 2 x 3

• 11 x 3 x 3

• 11 x 2 x 2

Find the greatest common factor (GCF) for each pair of numbers.

10, 15

• 150

• 15

• 10

• 5

A prime number can be written as a product of ______________ two factors.

• exactly

• more than

• less than

A composite number can be written as a product of ______________ two factors.

• exactly

• more than

• less than

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.  

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

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.3

CCSS.6.EE.A.4

GCF of 10 and 50

• 10
• 2
• 5
• 50

Tags

CCSS.6.NS.B.4

GCF of 5 and 35

• 7
• 5
• 2
• 35

Tags

CCSS.6.NS.B.4