1.
Based on the factor trees, what is the greatest common factor of 8 and 20?
A.
20
B.
8
C.
4
D.
2
Hint
2.
What is the greatest common factor of 22, 66, and 110?
A.
2
B.
11
C.
22
D.
66
Hint
3.
What is the greatest common factor of 16
x
2
and 12
x
?
A.
4
x
B.
16
x
2
C.
4
x
2
D.
12
x
Hint
4.
What is the greatest common factor of 36, 54, and 90.
A.
6
B.
36
C.
9
D.
18
Hint
5.
What is the greatest common factor of 20
x
2
and 32
x
3
?
A.
8
x
B.
4
x
2
C.
8
x
3
D.
4
x
Hint