1st PRP for 2^n-148151.

Sieved to P=200G.

Primality testing 2^154922-148151 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 67
Running N-1 test using base 83
Running N+1 test using discriminant 101, base 3+sqrt(101)
Calling N-1 BLS with factored part 0.02% and helper 0.01% (0.06% proof)
2^154922-148151 is Fermat and Lucas PRP! (3033.0733s+0.0108s)

To be completed...