1.
Which of the following values is prime?
A.
53
B.
96
C.
81
D.
72
Hint
2.
Find the prime factorization of 324.
A.
2
2
· 3
4
B.
2
2
· 3
3
C.
2
2
· 3
2
· 9
D.
3
4
· 4
Hint
3.
Find the GCF of 24, 36, and 108.
A.
6
B.
24
C.
72
D.
12
Hint
4.
Find the GCF of 14
a
2
b
4
c
and 56
ab
2
c
2
A.
14
ab
2
c
B.
56
ab
2
c
C.
14
a
2
b
4
c
2
D.
56
a
2
b
2
c
2
Hint
5.
Is 57 prime or composite? If it is composite, what is its factorization?
A.
composite, 3 × 17
B.
composite, 2 × 29
C.
prime
D.
composite, 3 × 19
Hint