Found with PFGW Version 3.8.0

2606^11267-11267^2606 is 2-PRP! (26.6629s+0.0008s)
2606^11267-11267^2606 is 3-PRP! (26.6703s+0.0009s)
2606^11267-11267^2606 is 5-PRP! (26.9679s+0.0011s)
2606^11267-11267^2606 is 7-PRP! (26.7512s+0.0017s)
2606^11267-11267^2606 is 11-PRP! (27.0953s+0.0011s)

Primality testing 2606^11267-11267^2606 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 6+sqrt(7)
Calling N+1 BLS with factored part 0.01% and helper 0.00% (0.04% proof)
2606^11267-11267^2606 is Fermat and Lucas PRP! (165.8497s+0.0054s)

To be completed...