1.	Find the prime factorization of 126.
		A.	2 × 2 × 3 × 3 × 7	B.	2 × 3 × 3 × 7
		C.	2 × 3 × 7	D.	2 × 3 × 3
		Hint
	2.	Find the GCF of 24 and 54.
		A.	2	B.	3
		C.	6	D.	12
		Hint
	3.	64 is a multiple of which number?
		A.	19	B.	16
		C.	17	D.	18
		Hint
	4.	What are the prime factors of 120?
		A.	2, 2, 30	B.	2, 60
		C.	2, 2, 2, 3, 5	D.	2, 3, 5
		Hint
	5.	Factor 144 completely.
		A.	3 · 3 · 4 · 4	B.	2 · 2 · 2 · 2 · 3 · 3
		C.	12 · 12	D.	4 · 4 · 9
		Hint