Found with PFGW Version 3.4.6

18^12666+17 is 2-PRP! (6.3259s+0.0043s)
18^12666+17 is 3-PRP! (6.1648s+0.0046s)
18^12666+17 is 5-PRP! (6.1479s+0.0045s)
18^12666+17 is 7-PRP! (6.1739s+0.0046s)
18^12666+17 is 11-PRP! (6.2622s+0.0045s)

Primality testing 18^12666+17 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 11
Running N+1 test using discriminant 19, base 2+sqrt(19)
Calling N+1 BLS with factored part 0.18% and helper 0.11% (0.66% proof)
18^12666+17 is Fermat and Lucas PRP! (45.8082s+0.0054s)

To be completed...