About 3x+1@home
3x+1@home is a distributed non-profit project trying to find high 3x+1 conjecture stopping times.
The 3x+1 conjecture is also known as Collatz conjecture, more information can be obtained here and here.
You can participate by downloading and running a free program
on your computer.
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User of the day
  ThEfT
Hi, my name is Manuel. I'm born in 1980 and originally from Germany (near Heidelburg / Heidelberg). Since 2005 I'm living and working in Vienna... |
News
Apr 26, 2008 Validator busy
It shows that the validator is too slow to process all workunits in time. Currently it takes about 12 hours for a WU to validate, this may rise within the next days. All WU's will be validated and no credit is lost!
Apr 14, 2008 Validator problems
The csieve-validator had some problems with results from the windows applications, they were all marked as invalid though they are valid. We hope this problem is fixed now
Apr 13, 2008 Windows and OS-X applications
The 32 and 64bit Windows and OS-X applications are finally ready! Thanks to "Crunch3r" for compiling them.
Mar 9, 2008 New application
We developed a new application, "csieve". It uses a sieve and a larger lookup-table to speed up the search, relying on the results of the "csearch"-run. Workunits will follow in the next few days. Status
Mar 4, 2008 Stopping time of 2134 found!
Just a few hours after the high stopping time of 2072 the project has found 2 integers with a stopping time of 2134! The integers are 2,361,183,297,802,023,766,087 and 2,361,183,302,700,649,353,967. Congratulations to our users "biodoc" and "[AF>HFR>RR]zz-fab"
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