PFGW Version 20040817.Win_Dev (Beta caveat utilitor) [FFT v23.8]
Primality testing L(631181) [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 11, base 2+sqrt(11)
Running N+1 test using discriminant 11, base 5+sqrt(11)
Running N+1 test using discriminant 11, base 9+sqrt(11)
L(631181) is Fermat and Lucas PRP! (61124.5234s+0.1263s)

To be completed...