Primality testing 25210^39297-39297^25210 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 11
Running N-1 test using base 17
Running N-1 test using base 19
Running N-1 test using base 23
Running N+1 test using discriminant 41, base 1+sqrt(41)
Calling N-1 BLS with factored part 0.00% and helper 0.00% (0.01% proof)
25210^39297-39297^25210 is Fermat and Lucas PRP! (3489.2823s+0.0053s)

Sieved with xyyxsieve

To be completed...