1.	Find the prime factorization of 126.
		A.	2 × 3 × 3 × 7	B.	2 × 2 × 3 × 3 × 7
		C.	2 × 3 × 3	D.	2 × 3 × 7
		Hint
	2.	Find the GCF of 24 and 54.
		A.	12	B.	2
		C.	6	D.	3
		Hint
	3.	What are the prime factors of 120?
		A.	2, 60	B.	2, 2, 30
		C.	2, 2, 2, 3, 5	D.	2, 3, 5
		Hint
	4.	Which number is not a factor of 315?
		A.	2	B.	9
		C.	3	D.	5
		Hint
	5.	Are 12 and 25 relatively prime? Explain.
		A.	Yes; 12 and 25 have no common factors.
		B.	No; 12 and 25 are not prime numbers.
		C.	Yes; 12 is even and 25 is odd.
		D.	No; 12 has three prime factors.
		Hint