mersenneforum.org  

Go Back   mersenneforum.org > Great Internet Mersenne Prime Search > PrimeNet

Reply
 
Thread Tools
Old 2018-03-08, 02:55   #1
yih117
 
Jan 2018

48 Posts
Default M20521

This number has been fully factored (certified). It nevertheless appears in the ECM progress report.
yih117 is offline   Reply With Quote
Old 2018-03-08, 05:13   #2
Prime95
P90 years forever!
 
Prime95's Avatar
 
Aug 2002
Yeehaw, FL

162638 Posts
Default

Fixed, thanks.
Prime95 is online now   Reply With Quote
Old 2018-03-08, 05:25   #3
ixfd64
Bemusing Prompter
 
ixfd64's Avatar
 
"Danny"
Dec 2002
California

22×3×197 Posts
Default

I've noticed that PRP triple-check is marked as "Factored." This doesn't make sense because the cofactor can't be factored further.

I also have a suggestion: if a cofactor is determined to be a probable prime, then the residue should probably just say PRP. PRP_PRP_PRP_PRP_ looks pretty messy in my opinion.

Last fiddled with by ixfd64 on 2018-03-08 at 05:26
ixfd64 is offline   Reply With Quote
Reply

Thread Tools


All times are UTC. The time now is 18:20.

Wed Feb 24 18:20:10 UTC 2021 up 83 days, 14:31, 0 users, load averages: 2.01, 1.99, 1.93

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.