PFGW Version 4.1.3.64BIT.20240114.x86_Dev [GWNUM 30.19]
Primality testing 1374^64531-64531^1374 [N-1/N+1, Brillhart-LehmerSelfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 3+sqrt(11)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.02% proof)
1374^64531-64531^1374 is Fermat and Lucas PRP! (2551.9232s+0.0020s)
Leyland PRP
See also https://pzktupel.de/Primetables/TableLeyland2.php
To be completed...