Primality testing 25842^29801-29801^25842 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 13, base 1+sqrt(13)
Calling N+1 BLS with factored part 0.01% and helper 0.01% (0.02% proof)
25842^29801-29801^25842 is Fermat and Lucas PRP! (1391.2268s+0.0040s)

Sieved with xyyxsieve

To be completed...