Found with PFGW Version 3.6.0

91^5115+90 is 2-PRP! (1.5198s+0.0016s)
91^5115+90 is 3-PRP! (1.5127s+0.0016s)
91^5115+90 is 5-PRP! (1.5134s+0.0019s)
91^5115+90 is 7-PRP! (1.5138s+0.0020s)
91^5115+90 is 11-PRP! (1.5214s+0.0016s)

Primality testing 91^5115+90 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 7, base 1+sqrt(7)
Calling N+1 BLS with factored part 0.11% and helper 0.02% (0.34% proof)
91^5115+90 is Fermat and Lucas PRP! (10.1963s+0.0015s)

To be completed...