Select all prime numbers from the list: 2, 9, 11, 15, 17.
Note
A prime number has exactly two distinct positive divisors: 2, 11, and 17 meet this condition; 9 and 15 have additional divisors so they are not prime.
Select all prime numbers from the list: 2, 9, 11, 15, 17.
A prime number has exactly two distinct positive divisors: 2, 11, and 17 meet this condition; 9 and 15 have additional divisors so they are not prime.