PFGW Version 4.0.0.64BIT.20190330.Mac_Dev [GWNUM 29.8]

Primality testing (2^756839-50211)/(137*3203) [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 5
Running N+1 test using discriminant 11, base 3+sqrt(11)
(2^756839-50211)/(137*3203) is Fermat and Lucas PRP! (3179.4942s+0.0018s)

To be completed...