tested with PFGW Version 3.7.10.64BIT.20150809.x86_Dev [GWNUM 28.7]
Primality testing 2^216091+1551099 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 2
Running N+1 test using discriminant 5, base 1+sqrt(5)
2^216091+1551099 is Fermat and Lucas PRP! (929.1106s+0.0014s)
To be completed...