

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


A. 
3 
B. 
9 


C. 
45 
D. 
36 


Hint 


2. 
What is the greatest common factor of 25a^{2}b and 5ab^{2}? 


A. 
5ab^{2} 
B. 
5a^{2}b^{2} 


C. 
5 
D. 
5ab 


Hint 


3. 
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. 
4 inches on each side 
B. 
12 inches on each side 


C. 
6 inches on each side 
D. 
8 inches on each side 


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. 
7p^{2}q^{2} 
B. 
7pq 


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


Hint 


