Found with PFGW Version 3.7.5

6091^8894-8894^6091 is 2-PRP! (21.7717s+0.0015s)
6091^8894-8894^6091 is 3-PRP! (21.6907s+0.0014s)
6091^8894-8894^6091 is 5-PRP! (21.9003s+0.0016s)
6091^8894-8894^6091 is 7-PRP! (21.9184s+0.0016s)
6091^8894-8894^6091 is 11-PRP! (21.9818s+0.0015s)

Primality testing 6091^8894-8894^6091 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 19, base 3+sqrt(19)
Calling N+1 BLS with factored part 0.03% and helper 0.02% (0.12% proof)
6091^8894-8894^6091 is Fermat and Lucas PRP! (108.0082s+0.0027s)

To be completed...