Found with PFGW Version 3.6.0

524^4107-4107^524 is 2-PRP! (4.9744s+0.0019s)
524^4107-4107^524 is 3-PRP! (5.2083s+0.0035s)
524^4107-4107^524 is 5-PRP! (5.1980s+0.0017s)
524^4107-4107^524 is 7-PRP! (5.1441s+0.0018s)
524^4107-4107^524 is 11-PRP! (5.1734s+0.0016s)

Primality testing 524^4107-4107^524 [N-1/N+1, Brillhart-Lehmer-Selfridge]
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 0.05% and helper 0.04% (0.19% proof)
524^4107-4107^524 is Fermat and Lucas PRP! (24.9314s+0.0043s)

To be completed...