Select all prime numbers from the list below: 11, 15, 17, 21.
Note
A prime number has exactly two distinct positive divisors: 11 and 17 have no divisors other than 1 and themselves, while 15 and 21 have additional factors.
Select all prime numbers from the list below: 11, 15, 17, 21.
A prime number has exactly two distinct positive divisors: 11 and 17 have no divisors other than 1 and themselves, while 15 and 21 have additional factors.