Question

Which number below is a prime number?
O A. 18
O B. 12
O c. 17
O D. 28

Answer 1

Answer: 17 is the only prime number

Step-by-step explanation:

Answer 2

Answer:

C 17

Step-by-step explanation:

A. 18  = 2*9  so not prime

B. 12  = 3*4 so not prime

c. 17  

D. 28 = 4*7 so not prime

17 = 1*17 so the only numbers are 1 and itself so it is prime