Found with PFGW Version 3.7.5

845^10206-10206^845 is 2-PRP! (15.7522s+0.0011s)
845^10206-10206^845 is 3-PRP! (15.6879s+0.0018s)
845^10206-10206^845 is 5-PRP! (15.6861s+0.0014s)
845^10206-10206^845 is 7-PRP! (15.6734s+0.0011s)
845^10206-10206^845 is 11-PRP! (15.7294s+0.0014s)

Primality testing 845^10206-10206^845 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 11
Running N-1 test using base 17
Running N+1 test using discriminant 31, base 3+sqrt(31)
Calling N+1 BLS with factored part 0.08% and helper 0.02% (0.25% proof)
845^10206-10206^845 is Fermat and Lucas PRP! (94.9070s+0.0021s)

To be completed...