Found with PFGW Version 3.7.5

1712^8975-8975^1712 is 2-PRP! (14.8908s+0.0004s)
1712^8975-8975^1712 is 3-PRP! (15.2587s+0.0004s)
1712^8975-8975^1712 is 5-PRP! (15.2343s+0.0004s)
1712^8975-8975^1712 is 7-PRP! (15.5026s+0.0005s)
1712^8975-8975^1712 is 11-PRP! (15.2601s+0.0004s)

Primality testing 1712^8975-8975^1712 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 6+sqrt(7)
Calling N+1 BLS with factored part 0.05% and helper 0.04% (0.18% proof)
1712^8975-8975^1712 is Fermat and Lucas PRP! (77.8723s+0.0416s)

To be completed...