2^166117+1689437 is 3-PRP!

Primality testing 2^166117+1689437 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N-1 test using base 7
Running N-1 test using base 13
Running N+1 test using discriminant 31, base 1+sqrt(31)
2^166117+1689437 is Fermat and Lucas PRP! (513.6818s+0.0015s)

To be completed...