Primality testing 30204^31493-31493^30204 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 2+sqrt(11)
Detected in MAXERR>0.45 (round off check) in Exponentiator::Iterate
Iteration: 110/468806 ERROR: ROUND OFF 0.5>0.45
(Test aborted, try again using the -a1 switch)
Running N+1 test using discriminant 11, base 2+sqrt(11)
Calling N+1 BLS with factored part 0.01% and helper 0.00% (0.04% proof)
30204^31493-31493^30204 is Fermat and Lucas PRP! (896.3899s+0.0030s)

Sieved with xyyxsieve

To be completed...