Discovered December 12 2016 using mprime

[Mon Dec 12 04:41:12 2016]
UID: GP2/kel1, M4834891/1701881633/70659688575577 is a probable prime! We8: A6196CE8,00000000

http://mersenneforum.org/showthread.php?p=449044#post449044

To be completed...