1.	Find the GCF of 16, 12, and 36.
		A.	4	B.	2
		C.	3	D.	6
		Hint
	2.	64 is a multiple of which number?
		A.	16	B.	18
		C.	17	D.	19
		Hint
	3.	Find the least common multiple of 6 and 15.
		A.	30	B.	60
		C.	3	D.	15
		Hint
	4.	Which number is not a factor of 315?
		A.	3	B.	2
		C.	9	D.	5
		Hint
	5.	Factor 144 completely.
		A.	12 · 12	B.	4 · 4 · 9
		C.	3 · 3 · 4 · 4	D.	2 · 2 · 2 · 2 · 3 · 3
		Hint