1st PRP for 2^n-284519.

Sieved to P=200G.

Primality testing 2^162136-284519 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 131
Running N+1 test using discriminant 139, base 1+sqrt(139)
Calling N-1 BLS with factored part 0.04% and helper 0.01% (0.14% proof)
2^162136-284519 is Fermat and Lucas PRP! (2412.8034s+0.0060s)

To be completed...