Primality testing 26941^32522-32522^26941 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 37, base 2+sqrt(37)
Detected in MAXERR>0.45 (round off check) in Exponentiator::Iterate
Iteration: 198/478671 ERROR: ROUND OFF 0.5>0.45
(Test aborted, try again using the -a1 switch)
Running N+1 test using discriminant 37, base 2+sqrt(37)
Calling N+1 BLS with factored part 0.00% and helper 0.00% (0.01% proof)
26941^32522-32522^26941 is Fermat and Lucas PRP! (939.6753s+0.0023s)

Sieved with xyyxsieve

To be completed...