2^166117+1775841 is 3-PRP!

Primality testing 2^166117+1775841 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
2^166117+1775841 is Fermat and Lucas PRP! (360.7871s+0.0013s)

To be completed...