Found with PFGW Version 3.6.0

2580^5047-5047^2580 is 2-PRP! (12.8311s+0.0020s)
2580^5047-5047^2580 is 3-PRP! (13.7256s+0.0018s)
2580^5047-5047^2580 is 5-PRP! (13.2520s+0.0025s)
2580^5047-5047^2580 is 7-PRP! (13.1763s+0.0025s)
2580^5047-5047^2580 is 11-PRP! (13.7383s+0.0019s)

Primality testing 2580^5047-5047^2580 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N+1 test using discriminant 13, base 1+sqrt(13)
Calling N-1 BLS with factored part 0.05% and helper 0.04% (0.20% proof)
2580^5047-5047^2580 is Fermat and Lucas PRP! (64.0371s+0.0035s)

To be completed...