Primality testing 24972^24972-8323^8323 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N+1 BLS with factored part 0.02% and helper 0.01% (0.08% proof)
24972^24972-8323^8323 is Fermat and Lucas PRP! (799.3746s+0.0011s)
Lifchitz PRP
See also https://pzktupel.de/Primetables/TableLifchitz2.php

To be completed...