17 is a Prime number, but 21 is not (21 = 3 * 7).
The prime numbers between 10 and 21 are 11, 13, 17, and 19.
Yes.
Four. The prime numbers between 10 and 21 are 11, 13, 17, and 19.
The prime numbers from 1 to 21 are 2, 3, 5, 7, 11, 13, 17, and 19.
The prime numbers between 2 and 21 are: 2, 3, 5, 7, 11, 13, 17 and 19
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
3, 13, 17, 23 are prime numbers. The others are not.
5, 13 and 17 are prime.
3 2 7 5 21 13 17
the three prime numbers that equal 17 are _+_+_=17
Yes 17 and 67 are prime numbers.
2 3 5 7 11 13 17 19