Found with PFGW Version 3.6.0

1525^12404-12404^1525 is 2-PRP! (79.8626s+0.0032s)
1525^12404-12404^1525 is 3-PRP! (81.5786s+0.0045s)
1525^12404-12404^1525 is 5-PRP! (80.1845s+0.0032s)
1525^12404-12404^1525 is 7-PRP! (80.5037s+0.0038s)
1525^12404-12404^1525 is 11-PRP! (80.3517s+0.0029s)

Primality testing 1525^12404-12404^1525 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 17, base 16+sqrt(17)
Calling N-1 BLS with factored part 0.02% and helper 0.01% (0.07% proof)
1525^12404-12404^1525 is Fermat and Lucas PRP! (379.4652s+0.0029s)

To be completed...