Name: 
 

Quiz 8-1: GCF and Prime Factorization



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Find the greatest common factor of mc001-1.jpg
a.
y
c.
mc001-2.jpg
b.
3
d.
mc001-3.jpg
 

 2. 

Find the greatest common factor of 198 and 120.
a.
50
c.
44
b.
99
d.
6
 

 3. 

Determine the prime factorization of mc003-1.jpg
a.
mc003-2.jpg
c.
mc003-4.jpg
b.
mc003-3.jpg
d.
mc003-5.jpg
 

 4. 

Which of the following numbers is prime?
a.
62
c.
43
b.
93
d.
155
 

 5. 

What is the prime factorization of 684?
a.
2 . 2 .3 . 57
c.
1 . 2 . 2 .3 . 3 . 19
b.
1 . 2 . 2 .3 . 57
d.
none of these
 

 6. 

Find the GCF of 18n3y4w and 24n5y.
a.
6n5y4w
c.
243n5y4w
b.
6n3y
d.
243n5y
 

 7. 

Find the GCF of 4a2b, 5b3c, and 6ac.
a.
0
c.
2ac
b.
1
d.
120a3b4c2
 

Short Answer
 

 8. 

Find the greatest common factor of sa008-1.jpgand sa008-2.jpg.
 

 9. 

Find the greatest common factor of 72 and 648.
 

 10. 

Give the prime factorization of sa010-1.jpg.
 

 11. 

Determine which numbers are prime: 29, 25, 15, 45
 



 
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