1st PRP for 2^n-97147.
Sieved to P=200G.
Primality testing 2^65915-97147 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 61
Running N-1 test using base 97
Running N+1 test using discriminant 101, base 2+sqrt(101)
Calling N+1 BLS with factored part 0.04% and helper 0.01% (0.12% proof)
2^65915-97147 is Fermat and Lucas PRP! (259.5388s+0.0086s)
To be completed...