1.Which of the following is not a factor of 56?
A. 8
B. 7
C. 2
D. 6

2.What are the first four multiples of 7
A. 1,2,3,7
B. 7,17,27,37
C. 7,14,21,28
D. 7,12,27,25

3.Which is a prime number?
A. 18
B. 13
C. 22
D. 50

4.a certain number has a prime factorization of 2 X 2 X 3 X 3. What is the number!
A. 36
B. 26
C. 10
D. 16

5.What are the common factors of 16 and 24?
A. 1,2,3,4,8
B. 1,6,8,16,24
C. 1,3,12,16,24
D. 1,2,4,8​