1st PRP for 2^n-126389.

Sieved to P=200G.

Primality testing 2^48588-126389 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 181
Running N+1 test using discriminant 211, base 2+sqrt(211)
Calling N+1 BLS with factored part 0.06% and helper 0.01% (0.20% proof)
2^48588-126389 is Fermat and Lucas PRP! (159.7322s+0.0079s)

To be completed...