Primality testing 25613^39582-39582^25613 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 23, base 3+sqrt(23)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.03% proof)
25613^39582-39582^25613 is Fermat and Lucas PRP! (2012.5433s+0.0995s)

Sieved with xyyxsieve

To be completed...