1.
Based on the factor trees, what is the greatest common factor of 8 and 20?
A.
2
B.
20
C.
4
D.
8
Hint
2.
What is the greatest common factor of 22, 66, and 110?
A.
22
B.
11
C.
66
D.
2
Hint
3.
What is the greatest common factor of 16
x
2
and 12
x
?
A.
4
x
2
B.
12
x
C.
4
x
D.
16
x
2
Hint
4.
What is the greatest common factor of 39 and 18?
A.
3
B.
13
C.
9
D.
6
Hint
5.
What is the greatest common factor of 20
x
2
and 32
x
3
?
A.
4
x
B.
8
x
3
C.
8
x
D.
4
x
2
Hint