1st PRP for 2^n-508811.

Sieved to P=200G.

Primality testing 2^155022-508811 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 73
Running N+1 test using discriminant 97, base 3+sqrt(97)
Calling N+1 BLS with factored part 0.02% and helper 0.00% (0.06% proof)
2^155022-508811 is Fermat and Lucas PRP! (3153.0125s+0.0177s)

To be completed...