1.	Find the greatest common factor of 4, 8, and 32.
		A.	4	B.	2
		C.	1	D.	8
		Hint
	2.	Find the GCF of 22 ·  3 ·  52 and 2 ·  32 ·  53.
		A.	2 ·  3 ·  53	B.	22 ·  3 ·  52
		C.	2 ·  3 ·  52	D.	2 ·  32 ·  53
		Hint
	3.	Janice has three pieces of string that are 36 cm, 24 cm, and 18 cm in length. She needs to have strings that are all the same length, but she does not want to waste any string. What is the greatest length Janice can cut each piece of string into and still have equal lengths?
		A.	6 cm	B.	12 cm
		C.	9 cm	D.	3 cm
		Hint
	4.	What is the GCF of 26, 52, and 65?
		A.	12	B.	5
		C.	13	D.	2
		Hint
	5.	What is the GCF of 24, 42, and 48?
		A.	2	B.	6
		C.	7	D.	3
		Hint