PFGW Version 3.7.10.64BIT.20150809.Mac_Dev [GWNUM 28.6]

Primality testing 262147#+316847 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 7, base 1+sqrt(7)
262147#+316847 is Fermat and Lucas PRP! (1741.5682s+0.1068s)

To be completed...