1.	Find the GCF of 24 and 54.
		A.	12	B.	3
		C.	2	D.	6
		Hint
	2.	64 is a multiple of which number?
		A.	17	B.	18
		C.	19	D.	16
		Hint
	3.	Find the least common multiple of 6 and 15.
		A.	60	B.	30
		C.	15	D.	3
		Hint
	4.	Which number is not a factor of 315?
		A.	5	B.	2
		C.	9	D.	3
		Hint
	5.	Factor 144 completely.
		A.	12 · 12	B.	3 · 3 · 4 · 4
		C.	2 · 2 · 2 · 2 · 3 · 3	D.	4 · 4 · 9
		Hint