View Single Post
Old 2020-08-03, 06:58   #240
kar_bon
 
kar_bon's Avatar
 
Mar 2006
Germany

23×3×7×17 Posts
Default

(688^70718+1)^2-2 found prime, 401338 digits
CK 688 at n=74k, continuing
kar_bon is online now   Reply With Quote