Select all prime numbers from the list: 2, 9, 11, 15, 17, 21
Note
The prime numbers in the list are 2, 11, and 17 because each has no divisors other than 1 and itself; the others are composite.
Select all prime numbers from the list: 2, 9, 11, 15, 17, 21
The prime numbers in the list are 2, 11, and 17 because each has no divisors other than 1 and itself; the others are composite.