Primality testing 26212^34023-34023^26212 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 5
Running N+1 test using discriminant 19, base 1+sqrt(19)
Calling N+1 BLS with factored part 0.01% and helper 0.00% (0.02% proof)
26212^34023-34023^26212 is Fermat and Lucas PRP! (2391.2942s+0.0036s)

Sieved with xyyxsieve

To be completed...