Near-repdigit probable prime
http://homepage2.nifty.com/m_kamada/math/factorizations.htm
FGW Version 3.4.8.64BIT.20110617.Win_Dev [GWNUM 26.6]
Primality testing (55*10^90211-1)/9 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N+1 test using discriminant 19, base 1+sqrt(19)
(55*10^90211-1)/9 is Fermat and Lucas PRP! (2105.8263s+0.0027s)
To be completed...