Found with PFGW Version 3.8.0

109^54683-108 is 2-PRP! (84.5814s+0.0069s)
109^54683-108 is 3-PRP! (89.5986s+0.0109s)
109^54683-108 is 5-PRP! (93.8608s+0.0067s)
109^54683-108 is 7-PRP! (86.3832s+0.0070s)
109^54683-108 is 11-PRP! (83.2157s+0.0069s)

Primality testing 109^54683-108 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 19
Running N+1 test using discriminant 29, base 1+sqrt(29)
Calling N-1 BLS with factored part 0.02% and helper 0.00% (0.07% proof)
109^54683-108 is Fermat and Lucas PRP! (682.5954s+0.0062s)

To be completed...