PFGW Version 4.1.3.64BIT.20240114.x86_Dev [GWNUM 30.19]
Primality testing 47747^47747-2512^2512 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 5, base 1+sqrt(5)
Calling N+1 BLS with factored part 0.01% and helper 0.00% (0.02% proof)
47747^47747-2512^2512 is Fermat and Lucas PRP! (3071.4466s+0.0025s)
Lifchitz PRP
See also https://pzktupel.de/Primetables/TableLifchitz2.php

To be completed...