1st PRP for 2^n-333551.

Sieved to P=200G.

Primality testing 2^52262-333551 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 151
Running N+1 test using discriminant 211, base 1+sqrt(211)
Running N+1 test using discriminant 211, base 2+sqrt(211)
Running N+1 test using discriminant 211, base 4+sqrt(211)
Calling N+1 BLS with factored part 0.03% and helper 0.03% (0.12% proof)
2^52262-333551 is Fermat and Lucas PRP! (435.4459s+0.0049s)

To be completed...