1.
Based on the factor trees, what is the greatest common factor of 8 and 20?
A.
4
B.
8
C.
2
D.
20
Hint
2.
What is the greatest common factor of 36 and 45?
A.
45
B.
9
C.
3
D.
36
Hint
3.
What is the greatest common factor of 22, 66, and 110?
A.
2
B.
22
C.
11
D.
66
Hint
4.
What is the greatest common factor of 16
x
2
and 12
x
?
A.
12
x
B.
4
x
2
C.
4
x
D.
16
x
2
Hint
5.
What is the greatest common factor of 64 and 40?
A.
2
B.
4
C.
20
D.
8
Hint