1.	A composite number ______.
		A.	has more than two factors	B.	is a number less than 1
		C.	is the number 2	D.	has exactly two factors
		Hint
	2.	Determine which number is not prime.
		A.	57	B.	61
		C.	19	D.	11
		Hint
	3.	Find the prime factorization of 126.
		A.	2 × 3 × 3	B.	2 × 3 × 7
		C.	2 × 2 × 3 × 3 × 7	D.	2 × 3 × 3 × 7
		Hint
	4.	The rectangles show that the number 23 ______.
		A.	is neither prime nor composite	B.	has three factors
		C.	is prime	D.	is composite
		Hint
	5.	Find the prime factorization of 105.
		A.	5 × 21	B.	3 × 5 × 7
		C.	5 × 15	D.	2 × 5 × 7
		Hint