Found with PFGW Version 3.7.5

91^40746+40746^91 is 2-PRP! (125.4133s+0.0034s)
91^40746+40746^91 is 3-PRP! (124.8215s+0.0034s)
91^40746+40746^91 is 5-PRP! (124.7237s+0.0032s)
91^40746+40746^91 is 7-PRP! (124.7569s+0.0034s)
91^40746+40746^91 is 11-PRP! (125.0719s+0.0032s)

Primality testing 91^40746+40746^91 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 29, base 1+sqrt(29)
Calling N-1 BLS with factored part 0.02% and helper 0.00% (0.05% proof)
91^40746+40746^91 is Fermat and Lucas PRP! (718.7343s+0.0042s)

To be completed...