Phi(149740M,10)/9433621/31660491711017694281
((10^7487+1)*((10^14974+10^7487)*(10^7487+10^3744+3)+10^3744+2)-1)/1057601374422329263030648935041
http://factordb.com/index.php?id=1100000000794316602
http://stdkmd.com/nrr/repunit/prpfactors.htm
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PFGW Version 3.7.7.64BIT.20130722.Win_Dev [GWNUM 27.11]

Primality testing ((10^7487+1)*((10^14974+10^7487)*(10^7487+10^3744+3)+10^3744+2)-1)/1057601374422329263030648935041 [N-1/N+1, Brillhart-Lehmer-Selfridge]
Running N-1 test using base 3
Running N-1 test using base 11
Running N+1 test using discriminant 17, base 2+sqrt(17)
Calling N-1 BLS with factored part 0.05% and helper 0.02% (0.16% proof)
((10^7487+1)*((10^14974+10^7487)*(10^7487+10^3744+3)+10^3744+2)-1)/1057601374422329263030648935041 is Fermat and Lucas PRP! (89.8923s+0.0025s)

To be completed...