1.
Look at the factors of 18 and 30. What is the greatest common factor?
factors of 18: 1, 2, 3, 6, 9, 18
factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
A.
3
B.
6
C.
5
D.
2
Hint
2.
Find the GCF of 28 and 34.
A.
1
B.
2
C.
4
D.
7
Hint
3.
Find the GCF of 24 and 54.
A.
12
B.
6
C.
3
D.
2
Hint
4.
Find the GCF of 16, 12, and 36.
A.
4
B.
6
C.
3
D.
2
Hint
5.
Find the GCF of 33, 48, and 54.
A.
8
B.
3
C.
1
D.
2
Hint