mersenneforum.org  

Go Back   mersenneforum.org > Prime Search Projects > Sierpinski/Riesel Base 5

Reply
 
Thread Tools
Old 2010-12-31, 23:28   #1
Joe O
 
Joe O's Avatar
 
Aug 2002

52510 Posts
Default S/R Base 5 Primes reported in 2011

Quote:
Originally Posted by Joe O View Post
This was the thread for all S/R Primes reported in 2010.

The previous two Prime threads, covering the beginning to 2008 can be found here:

The Prime Announcement Thread

Sierpinski/Riesel Base 5: Post Primes Here
This will be the thread for all S/R Primes reported in 2011.
Joe O is offline   Reply With Quote
Old 2011-01-02, 23:29   #2
Joe O
 
Joe O's Avatar
 
Aug 2002

3·52·7 Posts
Default 1st Prime of 2011

http://primes.utm.edu/primes/page.php?id=97224
Joe O is offline   Reply With Quote
Old 2011-01-24, 18:12   #3
Joe O
 
Joe O's Avatar
 
Aug 2002

3×52×7 Posts
Default 2nd Prime of 2011

A prime has been found by our partner PrimeGrid.
301016*5^586858-1 (410202 digits)
Credit will be shared by PrimeGrid and Sierpinski /Riesel Base 5.

http://primes.utm.edu/primes/page.php?id=97685

Last fiddled with by Joe O on 2011-01-26 at 00:32
Joe O is offline   Reply With Quote
Old 2011-01-31, 21:47   #4
Joe O
 
Joe O's Avatar
 
Aug 2002

3×52×7 Posts
Default 3rd Prime of 2011

Our partner PrimeGrid has found another Prime.


http://primes.utm.edu/primes/page.php?id=97883
Joe O is offline   Reply With Quote
Old 2011-02-11, 15:52   #5
Joe O
 
Joe O's Avatar
 
Aug 2002

10000011012 Posts
Default 4th Prime of 2011

Our partner PrimeGrid has found another Prime: http://primes.utm.edu/primes/page.php?id=98188
Joe O is offline   Reply With Quote
Old 2011-02-15, 09:17   #6
Aillas
 
Aillas's Avatar
 
Oct 2002
France

27 Posts
Default 5th Prime of 2011

PrimeGrid found another prime

http://primes.utm.edu/primes/page.php?id=98405
Aillas is offline   Reply With Quote
Old 2011-04-23, 13:39   #7
ltd
 
ltd's Avatar
 
Apr 2003

11000001002 Posts
Default

Was a long time since the last one but here we are:

http://primes.utm.edu/primes/page.php?id=99805
ltd is offline   Reply With Quote
Old 2011-04-24, 21:14   #8
NeoGen
 
Dec 2005

2·33 Posts
Default

I got one too! Thanks for the heads up ltd, and the instructions on how to submit it.

It was my very first prime ever, I submitted it according to all the instructions, and 2 hours later the status was "proven", with direct entrance to #280 on the list.

http://primes.utm.edu/primes/page.php?id=99827
NeoGen is offline   Reply With Quote
Old 2011-07-02, 16:15   #9
Joe O
 
Joe O's Avatar
 
Aug 2002

20D16 Posts
Default 8th Prime of 2011

A nice prime for Sascha: http://primes.utm.edu/primes/page.php?id=100681
49568*5^640900 - 1

Enters at position 188 on the list of top primes.

Last fiddled with by Joe O on 2011-07-02 at 16:16
Joe O is offline   Reply With Quote
Old 2011-07-13, 22:41   #10
Joe O
 
Joe O's Avatar
 
Aug 2002

3·52·7 Posts
Default 9th Prime for 2011

Kimmo Myllyvirta has found 262172*5^643342-1



which will enter at postion 191




http://primes.utm.edu/primes/page.php?id=100800
Joe O is offline   Reply With Quote
Old 2011-07-18, 13:18   #11
Joe O
 
Joe O's Avatar
 
Aug 2002

10000011012 Posts
Default 10th Prime of 2011

27994*5^645221-1 found by Philipp Bliedung on 18 July 2011


http://primes.utm.edu/primes/page.php?id=100836

Last fiddled with by Joe O on 2011-07-18 at 16:03
Joe O is offline   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
S/R Base 5 Primes reported in 2016 Joe O Sierpinski/Riesel Base 5 5 2016-08-21 17:47
S/R Base 5 Primes reported in 2015 Joe O Sierpinski/Riesel Base 5 3 2016-03-14 04:35
S/R Base 5 Primes reported in 2014 Joe O Sierpinski/Riesel Base 5 1 2016-03-14 04:30
S/R Base 5 Primes reported in 2013 Lennart Sierpinski/Riesel Base 5 15 2016-03-14 04:27
S/R Base 5 Primes reported in 2012 odicin Sierpinski/Riesel Base 5 16 2013-01-09 20:18

All times are UTC. The time now is 08:28.

Sun Nov 29 08:28:38 UTC 2020 up 80 days, 5:39, 3 users, load averages: 1.26, 1.37, 1.30

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, 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.