Found with PFGW Version 3.8.0

2428^12969-12969^2428 is 2-PRP! (38.5172s+0.0046s)
2428^12969-12969^2428 is 3-PRP! (38.1228s+0.0042s)
2428^12969-12969^2428 is 5-PRP! (38.9956s+0.0053s)
2428^12969-12969^2428 is 7-PRP! (39.5996s+0.0056s)
2428^12969-12969^2428 is 11-PRP! (37.7386s+0.0050s)

Primality testing 2428^12969-12969^2428 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 10+sqrt(7)
Calling N-1 BLS with factored part 0.01% and helper 0.00% (0.03% proof)
2428^12969-12969^2428 is Fermat and Lucas PRP! (193.8253s+0.0089s)

To be completed...