1st PRP for 2^n-354611.

Sieved to P=200G.

Primality testing 2^66954-354611 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 83
Running N+1 test using discriminant 107, base 1+sqrt(107)
Calling N+1 BLS with factored part 0.05% and helper 0.01% (0.15% proof)
2^66954-354611 is Fermat and Lucas PRP! (265.7000s+0.0060s)

To be completed...