1st PRP for 2^n-300899.

Sieved to P=200G.

Primality testing 2^154936-300899 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 89
Running N+1 test using discriminant 107, base 3+sqrt(107)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.03% proof)
2^154936-300899 is Fermat and Lucas PRP! (2985.9622s+0.0128s)

To be completed...