Primes not at the center of a 3x3 magic square of distinct primes 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 61 67 79 83 97 101 107 113 163 181 197 199 223 229 233 277 313 317 331 433 439 457 569 859 There are no others < 10000. I stopped checking at 10000.