PFGW Version 4.1.3.64BIT.20240114.x86_Dev [GWNUM 30.19]
Primality testing 6^425185-425185^6 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Running N-1 test using base 13
Running N+1 test using discriminant 23, base 2+sqrt(23)
Calling N+1 BLS with factored part 0.00% and helper 0.00% (0.01% proof)
6^425185-425185^6 is Fermat and Lucas PRP! (5496.0510s+0.0018s)

Leyland PRP
See also https://pzktupel.de/Primetables/TableLeyland2.php

To be completed...