1.
Which of the following values is prime?
A.
72
B.
81
C.
96
D.
53
Hint
2.
Find the prime factorization of 324.
A.
3
4
· 4
B.
2
2
· 3
3
C.
2
2
· 3
2
· 9
D.
2
2
· 3
4
Hint
3.
Find the GCF of 24, 36, and 108.
A.
72
B.
6
C.
12
D.
24
Hint
4.
Find the GCF of 14
a
2
b
4
c
and 56
ab
2
c
2
A.
56
ab
2
c
B.
14
a
2
b
4
c
2
C.
14
ab
2
c
D.
56
a
2
b
2
c
2
Hint
5.
Find the GCF of 54
a
2
, 84
ab
, and 10
c
A.
4
B.
8
ab
C.
2
D.
2
abc
Hint