1st PRP for 2^n-245533.

Sieved to P=200G.

Primality testing 2^69749-245533 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 107
Running N-1 test using base 103
Running N+1 test using discriminant 101, base 1+sqrt(101)
Calling N+1 BLS with factored part 0.04% and helper 0.03% (0.16% proof)
2^69749-245533 is Fermat and Lucas PRP! (283.4259s+0.0052s)

To be completed...