1st PRP for 2^n-104549.
Sieved to P=200G.
Primality testing 2^151560-104549 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 59
Running N+1 test using discriminant 71, base 2+sqrt(71)
Calling N-1 BLS with factored part 0.02% and helper 0.00% (0.06% proof)
2^151560-104549 is Fermat and Lucas PRP! (2363.2877s+0.0060s)
To be completed...