

1. 
What is the greatest common factor of 36 and 45? 


A. 
36 
B. 
3 


C. 
9 
D. 
45 


Hint 


2. 
George wants to resurface the table below with ceramic tiles. What is the largest square tile that he can use without having to cut any tiles? 





A. 
8 inches on each side 
B. 
6 inches on each side 


C. 
4 inches on each side 
D. 
12 inches on each side 


Hint 


3. 
What is the greatest common factor of 39 and 18? 


A. 
3 
B. 
13 


C. 
9 
D. 
6 


Hint 


4. 
What is the greatest common factor of 20x^{2} and 32x^{3}? 


A. 
4x 
B. 
8x 


C. 
4x^{2} 
D. 
8x^{3} 


Hint 


5. 
What is the greatest common factor of 14p^{2}q and 42p^{3}q^{2}? 


A. 
14pq 
B. 
7pq 


C. 
14p^{2}q 
D. 
7p^{2}q^{2} 


Hint 


