1.	Find the prime factorization of 324.
		A.	22 · 32 · 9	B.	34 · 4
		C.	22 · 33	D.	22 · 34
		Hint
	2.	Find the GCF of 24, 36, and 108.
		A.	12	B.	72
		C.	6	D.	24
		Hint
	3.	Find the GCF of 54a2, 84ab, and 10c
		A.	2abc	B.	8ab
		C.	4	D.	2
		Hint
	4.	Is 57 prime or composite? If it is composite, what is its factorization?
		A.	prime	B.	composite, 3 × 17
		C.	composite, 2 × 29	D.	composite, 3 × 19
		Hint
	5.	Find the prime factorization of -198.
		A.	–1 · 2 · 32 · 11	B.	2 · 32 · 10
		C.	–1 · 2 · 32 · 10	D.	2 · 32 · 11
		Hint