1.	Find the prime factorization of 126.
		A.	2 × 3 × 3	B.	2 × 2 × 3 × 3 × 7
		C.	2 × 3 × 3 × 7	D.	2 × 3 × 7
		Hint
	2.	Find the GCF of 24 and 54.
		A.	2	B.	6
		C.	12	D.	3
		Hint
	3.	Find the GCF of 16, 12, and 36.
		A.	3	B.	4
		C.	6	D.	2
		Hint
	4.	64 is a multiple of which number?
		A.	17	B.	19
		C.	16	D.	18
		Hint
	5.	Which number is not a factor of 315?
		A.	3	B.	2
		C.	9	D.	5
		Hint