1.
Based on the factor trees, what is the greatest common factor of 8 and 20?
A.
4
B.
20
C.
8
D.
2
Hint
2.
What is the greatest common factor of 22, 66, and 110?
A.
2
B.
66
C.
11
D.
22
Hint
3.
What is the greatest common factor of 16
x
2
and 12
x
?
A.
16
x
2
B.
4
x
C.
4
x
2
D.
12
x
Hint
4.
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
5.
What is the greatest common factor of 36, 54, and 90.
A.
6
B.
36
C.
9
D.
18
Hint