Found with PFGW Version 3.7.5
1221^9340-9340^1221 is 2-PRP! (15.1042s+0.0011s)
1221^9340-9340^1221 is 3-PRP! (15.1528s+0.0013s)
1221^9340-9340^1221 is 5-PRP! (15.0323s+0.0013s)
1221^9340-9340^1221 is 7-PRP! (15.0324s+0.0013s)
1221^9340-9340^1221 is 11-PRP! (15.0881s+0.0013s)
Primality testing 1221^9340-9340^1221 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N-1 BLS with factored part 0.05% and helper 0.05% (0.22% proof)
1221^9340-9340^1221 is Fermat and Lucas PRP! (75.3414s+0.0021s)
To be completed...