1st PRP for 2^n-147359.

Sieved to P=200G.

Primality testing 2^78440-147359 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 181
Running N+1 test using discriminant 173, base 4+sqrt(173)
Running N+1 test using discriminant 173, base 5+sqrt(173)
Calling N+1 BLS with factored part 0.03% and helper 0.01% (0.11% proof)
2^78440-147359 is Fermat and Lucas PRP! (734.8773s+0.0079s)

To be completed...