1.	Determine which number is not prime.
		A.	61	B.	57
		C.	11	D.	19
		Hint
	2.	Find the prime factorization of 126.
		A.	2 × 3 × 3	B.	2 × 2 × 3 × 3 × 7
		C.	2 × 3 × 7	D.	2 × 3 × 3 × 7
		Hint
	3.	Find the GCF of 24 and 54.
		A.	6	B.	12
		C.	2	D.	3
		Hint
	4.	64 is a multiple of which number?
		A.	16	B.	17
		C.	18	D.	19
		Hint
	5.	Which number is not a factor of 315?
		A.	3	B.	2
		C.	9	D.	5
		Hint