Found with PFGW Version 3.8.0

8494^13245-13245^8494 is 2-PRP! (53.3781s+0.0102s)
8494^13245-13245^8494 is 3-PRP! (53.3918s+0.0099s)
8494^13245-13245^8494 is 5-PRP! (53.4259s+0.0103s)
8494^13245-13245^8494 is 7-PRP! (53.3835s+0.0105s)
8494^13245-13245^8494 is 11-PRP! (53.3959s+0.0099s)

Primality testing 8494^13245-13245^8494 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 11, base 1+sqrt(11)
Calling N-1 BLS with factored part 0.02% and helper 0.00% (0.08% proof)
8494^13245-13245^8494 is Fermat and Lucas PRP! (291.1509s+0.0112s)

To be completed...