21 is not prime.
67, 71, 73, 79, 83, 89
No, and 57 is not a prime number.
The numbers 67, 71, 73, 79, 83, 89 and 97 are prime.
The prime numbers between 60 and 100 are 61, 67, 71, 73, 79, 83, 89, and 97.
The numbers 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97 are prime.
The prime numbers between 50 and 100 are 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
The numbers 53, 59, 61, 67, 71, 73, 79, 83 and 89 are prime.
67 71 73 79 83 89 97.
61 67 71 73 79 83 89 97
61, 67, 71, 73, 79, 83 and 89.
They are: 61 67 71 73 79 83 89 and 97