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Old 2020-02-27, 08:15   #1
Feb 2020

3 Posts
Default how to download ggnfs and ecm

can anyone recommend a site to download ggnfs and ecm
for using in YAFU
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Old 2020-02-27, 14:48   #2
EdH's Avatar
"Ed Hall"
Dec 2009
Adirondack Mtns

354610 Posts

Originally Posted by Mathlover View Post
can anyone recommend a site to download ggnfs and ecm
for using in YAFU
If you're running linux, you can look over this thread for a full set of steps to set up a working copy of YAFU. It includes links to the installation of GMP, GMP-ECM, msieve and ggnfs:

How I install YAFU onto my Ubuntu Machines
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Old 2020-06-07, 17:32   #3
James Heinrich
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"James Heinrich"
May 2004
ex-Northern Ontario

2×3×541 Posts

For Windows users, Jeff Gilchrist had the complete set of downloads available at

However, it seems that something on the server has been moved because none of the download links currently work. I've messaged him in hopes that he can repoint the links to where the files actually are.

edit: I got ahold of Jeff and while some of the files have been lost, he found some of them in a backup. I have copied the files he was able to find to so if his site still isn't working, you should be able to get them from mine.

Last fiddled with by James Heinrich on 2020-06-07 at 22:02
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