Question

Take out the numbers that are not prime 2 5 8 13 17 18. 21 93. 117

Answer 1

8 - divisible by 2

18 - divisible by 3

21 - divisible by 3

93 - divisible by 3

117 - divisible by 3

Note: A prime number is a number that's divisible by only 1 and itself.