PFGW Version 1.2.0 for Windows [FFT v23.8]
Primality testing L(901657) [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 11
Running N+1 test using discriminant 23, base 1+sqrt(23)
L(901657) is Fermat and Lucas PRP! (14891.1363s+0.0605s)
To be completed...