Primality testing (1852^13477-1)/1851 [N-1, Brillhart-Lehmer-Selfridge]                                    
Running N-1 test using base 2                                    
Calling Brillhart-Lehmer-Selfridge with factored part 33.33%                                    
(1852^13477-1)/1851 is prime! (146.3170s+0.0073s)