Currently there may be errors shown on top of a page, because of a missing Wiki update (PHP version and extension DPL3).
Navigation
Topics Help • Register • News • History • How to • Sequences statistics • Template prototypes

Difference between revisions of "PrimeGrid 321 Prime Search"

From Prime-Wiki
Jump to: navigation, search
(links)
(add prime)
 
(8 intermediate revisions by 3 users not shown)
Line 1: Line 1:
 
==Purpose==
 
==Purpose==
The goal of this project is to find primes of the form {{Kbn|3|2|n}} and {{Kbn|+|3|2|n}}.
+
[[PrimeGrid 321 Prime Search]] is an extension of [[Paul Underwood]]’s [[321 Search]] since 2008.
 +
 
 +
PrimeGrid has added the {{Kbn|+|3|n}} form to the search and will be testing both {{Kbn|3|n}} and {{Kbn|+|3|n}} forms beyond {{Vn}}=5000000.
  
 
==Status==
 
==Status==
*[https://www.primegrid.com/stats_321_llr.php 321 search status] at [[PrimeGrid]]
+
*The current {{Vn}}<sub>max</sub> = {{Num|{{Multi Reservation:22-NMax}}}} as of {{Multi Reservation:22-Date}} (see [[Multi Reservation:22|Multi Reservation 22]]).
*Multi Reservation [[Multi Reservation:22|here]]
+
*[https://www.primegrid.com/stats_321_llr.php 321 Prime Search status] at [[PrimeGrid]]
 +
 
 +
==Primes found==
 +
*2024-10-01: {{NRi|3|22103376}}, [[Piotr Chodzinski]]
 +
*2023-07-06: {{NRi|3|20928756}}, [[Arno Lehmann]] ([https://www.primegrid.com/download/321-20928756.pdf Official announcement])
 +
*2022-03-24: {{NRi|3|18924988}}, [[Frank Matillek]] ([https://www.primegrid.com/download/321-18924988.pdf Official announcement])
 +
*2022-01-18: {{NRi|3|18196595}}, (Anonymous) ([https://www.primegrid.com/download/321-18196595.pdf Official announcement])
 +
*2021-09-06: {{NRi|3|17748034}}, [[Marc Wiseler]] ([https://www.primegrid.com/download/321-17748034.pdf Official announcement])
 +
*2021-01-20: {{NRi|3|16819291}}, [[Rudi Tapper]] ([https://www.primegrid.com/download/321-16819291.pdf Official announcement])
 +
*2020-10-25: {{NPr|3|16408818}}, [[James Scott Brown]] ([https://www.primegrid.com/download/321-16408818.pdf Official announcement])
 +
*2015-06-23: {{NRi|3|11895718}}, [[Michael Schulz]] ([https://www.primegrid.com/download/321-11895718.pdf Official announcement])
 +
*2015-03-13: {{NRi|3|11731850}}, [[Karsten Klopffleisch]] ([https://www.primegrid.com/download/321-11731850.pdf Official announcement])
 +
*2014-11-22: {{NRi|3|11484018}}, [[Serhiy Gushchak]] ([https://www.primegrid.com/download/321-11484018.pdf Official announcement])
 +
*2012-01-14: {{NPr|3|10829346}}, [[Sai Yik Tang]] ([https://www.primegrid.com/download/321-10829346.pdf Official announcement])
 +
*2011-02-21: {{NPr|3|7033641}}, [[Michael Herder]] ([https://www.primegrid.com/download/321-7033641.pdf Official announcement])
 +
*2010-04-24: {{NRi|3|6090515}}, [[David Mumper]] ([https://www.primegrid.com/download/321-6090515.pdf Official announcement])
 +
*2009-04-03: {{NPr|3|5082306}}, [[Andy Brady]] ([https://www.primegrid.com/download/321-5082306.pdf Official announcement])
 +
*2008-08-11: {{NPr|3|2291610}}, [[Thomas Wolfram]] ([https://www.primegrid.com/download/321-2291610.pdf Official announcement])
 +
*2008-03-23: {{NRi|3|4235414}}, [[Dylan Bennett]] ([https://www.primegrid.com/download/321-4235414.pdf Official announcement])
 +
'''Total:''' 16 primes found
  
 
==History==
 
==History==
 +
*[https://www.primegrid.com/forum_thread.php?id=5210 Milestones]
  
 
==See also==
 
==See also==
 +
*[[321 Search]]
  
 
==External links==
 
==External links==
 
*[https://www.primegrid.com/forum_forum.php?id=25 321 Prime Search - PrimeGrid forums]
 
*[https://www.primegrid.com/forum_forum.php?id=25 321 Prime Search - PrimeGrid forums]
*[https://www.mersenneforum.org/forumdisplay.php?f=14 History] at [[MersenneForum]]
+
*[https://www.mersenneforum.org/forumdisplay.php?f=14 History of 321 Search] at [[MersenneForum]]
*[https://www.mersenneforum.org/321search/index.html Overview] at [[MersenneForum]]
+
*[https://www.mersenneforum.org/321search/index.html Overview at 321 Search] at [[MersenneForum]]
  
 +
{{Navbox PrimeGrid}}
 
[[Category:PrimeGrid 321 Prime Search| ]]
 
[[Category:PrimeGrid 321 Prime Search| ]]

Latest revision as of 06:29, 13 October 2024

Purpose

PrimeGrid 321 Prime Search is an extension of Paul Underwood’s 321 Search since 2008.

PrimeGrid has added the 3•2n+1 form to the search and will be testing both 3•2n-1 and 3•2n+1 forms beyond n=5000000.

Status

Primes found

Total: 16 primes found

History

See also

External links

PrimeGrid