1.	Find the prime factorization of 126.
		A.	2 × 2 × 3 × 3 × 7	B.	2 × 3 × 3
		C.	2 × 3 × 7	D.	2 × 3 × 3 × 7
		Hint
	2.	Find the GCF of 24 and 54.
		A.	2	B.	12
		C.	6	D.	3
		Hint
	3.	Find the GCF of 16, 12, and 36.
		A.	6	B.	4
		C.	2	D.	3
		Hint
	4.	64 is a multiple of which number?
		A.	17	B.	19
		C.	16	D.	18
		Hint
	5.	Factor 144 completely.
		A.	4 · 4 · 9	B.	3 · 3 · 4 · 4
		C.	12 · 12	D.	2 · 2 · 2 · 2 · 3 · 3
		Hint