1.	Find the prime factorization of 126.
		A.	2 × 3 × 3	B.	2 × 2 × 3 × 3 × 7
		C.	2 × 3 × 3 × 7	D.	2 × 3 × 7
		Hint
	2.	Find the GCF of 16, 12, and 36.
		A.	3	B.	2
		C.	4	D.	6
		Hint
	3.	What are the prime factors of 120?
		A.	2, 2, 2, 3, 5	B.	2, 2, 30
		C.	2, 3, 5	D.	2, 60
		Hint
	4.	Factor 144 completely.
		A.	4 · 4 · 9	B.	2 · 2 · 2 · 2 · 3 · 3
		C.	12 · 12	D.	3 · 3 · 4 · 4
		Hint
	5.	Are 12 and 25 relatively prime? Explain.
		A.	Yes; 12 is even and 25 is odd.
		B.	No; 12 has three prime factors.
		C.	No; 12 and 25 are not prime numbers.
		D.	Yes; 12 and 25 have no common factors.
		Hint