Which of the following numbers are prime? Select all that apply.
Note
A prime number has exactly two distinct positive divisors. 11 and 17 have no divisors other than 1 and themselves, so they are prime; 15 and 21 are composite.
Which of the following numbers are prime? Select all that apply.
A prime number has exactly two distinct positive divisors. 11 and 17 have no divisors other than 1 and themselves, so they are prime; 15 and 21 are composite.