1.
Based on the factor trees, what is the greatest common factor of 8 and 20?
A.
8
B.
4
C.
2
D.
20
Hint
2.
What is the greatest common factor of 22, 66, and 110?
A.
2
B.
11
C.
66
D.
22
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.
6 inches on each side
B.
12 inches on each side
C.
4 inches on each side
D.
8 inches on each side
Hint
4.
What is the greatest common factor of 39 and 18?
A.
13
B.
6
C.
3
D.
9
Hint
5.
What is the greatest common factor of 14
p
2
q
and 42
p
3
q
2
?
A.
14
pq
B.
7
p
2
q
2
C.
7
pq
D.
14
p
2
q
Hint