Phi(101775,10)/1628401
(10^50+10^25+1)*(10^230+10^115+1)*(10^590+10^295+1)*(10^67850+10^33925+1)/(10^1150+10^575+1)/(10^2950+10^1475+1)/(10^13570+10^6785+1)/16284172841728401
http://factordb.com/index.php?id=1100000000781976222
http://stdkmd.com/nrr/repunit/prpfactors.htm
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makoto@betelgeuse /cygdrive/c/tools/pfgw_win_3.7.7_20130722
$ ./pfgw64 -tc -q"Phi(101775,10)/1628401"
PFGW Version 3.7.7.64BIT.20130722.Win_Dev [GWNUM 27.11]

Primality testing Phi(101775,10)/1628401 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 7
Running N-1 test using base 13
Running N+1 test using discriminant 19, base 6+sqrt(19)
Calling N-1 BLS with factored part 0.04% and helper 0.00% (0.11% proof)
Phi(101775,10)/1628401 is Fermat and Lucas PRP! (309.9069s+0.0374s)
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To be completed...