97
97The only candidates are 64, 75, 86, and 97. 97 is the only prime in that group.
73 7-3 = 4 73 is prime and 37 is prime.
16
6849 and 0213
41
97
71
The only prime number less than 3 is 2.
The only prime number less than 3 is 2.
73
97The only candidates are 64, 75, 86, and 97. 97 is the only prime in that group.
73 7-3 = 4 73 is prime and 37 is prime.
16
A single digit prime number
29
87 is the only 2-digit number that is 6 greater and 13 less than a square, but it is not prime.
It is 23