Sieved to P=160G

Primality testing 2^104098-17 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 13, base 1+sqrt(13)
Calling N+1 BLS with factored part 0.04% and helper 0.01% (0.12% proof)
2^104098-17 is Fermat and Lucas PRP! (323.1438s+0.0037s)

To be completed...