which of the following are prime number?

a) 5
b) 19
c) 33
d) 49

Check this site.

http://www.mathsisfun.com/prime_numbers.html

thanks sue but that 5 and 19 are both prime number

Right. Both 5 and 19 are prime.

thanks

You're welcome.

What are all of the answers

This are the answers for the practice

C
A
C
B
C
B
D
C
C
I am 100%