Primality testing Phi(9283,32556) [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 2 Running N-1 test using base 5 Calling Brillhart-Lehmer-Selfridge with factored part 29.24% Phi(9283,32556) is PRP! (622.1309s+0.0049s)