Primality testing 25682^37567-37567^25682 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 8+sqrt(7)
Calling N+1 BLS with factored part 0.00% and helper 0.00% (0.01% proof)
25682^37567-37567^25682 is Fermat and Lucas PRP! (1899.9147s+0.0042s)

Sieved with xyyxsieve

To be completed...