1st PRP for 2^n-478093.

Sieved to P=200G.

Primality testing 2^104405-478093 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 29
Running N+1 test using discriminant 43, base 12+sqrt(43)
Calling N+1 BLS with factored part 0.03% and helper 0.01% (0.11% proof)
2^104405-478093 is Fermat and Lucas PRP! (513.5741s+0.0069s)

To be completed...