Primality testing 28625^30558-30558^28625 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 6+sqrt(13)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.02% proof)
28625^30558-30558^28625 is Fermat and Lucas PRP! (588.6540s+0.0024s)

Sieved with xyyxsieve

To be completed...