The PrimeGrid Challenge Series is an annual competition based on the results of monthly challenges. The purpose of the Challenge is to spotlight a specific project within PrimeGrid's family of projects as well as to offer a little "healthy" competition for PrimeGrid's participants. It is also...
Last year's thread - https://hardforum.com/threads/tour-de-primes-2018-primegrid.1952746/
http://www.primegrid.com/forum_thread.php?id=8409#125223
Tour de Primes 2019
Welcome to the 11th annual Tour de Primes. 2 is the first prime number...and the only even one. This makes it unique among...
Tour de Primes 2018
Welcome to the 10th annual Tour de Primes. 2 is the first prime number...and the only even one. This makes it unique among prime numbers. Therefore, February is declared Prime month...being the 2nd month of the year. :) And there's no better way to pay homage to a prime...
I am just going to make one thread for this and people interested can just follow. that way I'm not making several threads that have similar info in them.
http://www.primegrid.com/challenge/challenge.php
2018 Challenge Series
Date Time UTC Project(s) Challenge Duration Results
1 1-16...
December 18 - 21
The Final Challenge of the 2017 Challenge series is upon us. The Winter Solstice Challenge will be a 3 day (72 hour) celebration on account of the winter solstice. The challenge is being offered on PrimeGrid's most successful sieve, the Proth Prime Search (Sieve) application...
I forgot to post this with all of the excitement of the WCG Birthday Challenge going on.
The seventh Challenge of the 2017 Challenge series is a 3 day challenge to celebrate Pierre de Fermat's Birthday! The challenge is being offered on several Generalized Fermat Prime Search Projects. All the...
http://www.primegrid.com/forum_thread.php?id=7623#110693
The sixth Challenge of the 2017 Challenge series is a 5 day challenge to celebrate Diwali/Deepavali. The challenge is being offered on the The Riesel Problem (LLR) application.
To participate in the Challenge, please select only the The...
I thought maybe people would want to make a list of the times they see on different hardware here.
Device Run time Cpu time Credit application
NVIDIA GeForce 8400 GS (512MB) driver: 34201 - 103,458.71 - 865.25 -...
The 5th Challenge of the 2017 Challenge series is a 5 day challenge to celebrate Number Theory Week 2017. The challenge is being offered on the 321 Prime Search (LLR) application.
To participate in the Challenge, please select only the 321 Prime Search (LLR) project in your PrimeGrid...
Solar Eclipse Challenge
Aug 20 18:00:00 to Aug 23 18:00:00 (UTC)
Sub project:
GCW-LLR
Tips:
You must log into your account at PrimeGrid to change your project preferences so that you are only crunching the correct sub project. In this case GCW LLR.
Intel boxes tend to perform better. The HT...
Mathematics Awareness Month Challenge
From April 7th 12:00:00 UTC until April 22nd 12:00:00 UTC we will be having a 15 day challenge running the Prime Sierpinski Problem (LLR) Project.
This project is an LLR work unit and is CPU only. This means you will more than likely have better results...
2/1 - 2/28 - PrimeGrid - Tour De Primes - http://www.primegrid.com/forum_thread.php?id=7222#103682 -
This is NOT part of the 2017 challenge series. However it is possible to earn a special badge based on your results.
The agenda is multi-factored. They are looking for the person with the best...
http://www.primegrid.com/forum_thread.php?id=7183#102795
January 3rd to January 13th @ 18:00 UTC time
This is part 1 of 9 in the Challenge Series. The challenge is for the GCW Sieve. This is a CPU based work unit.
Tips:
You must log into your account at PrimeGrid to change your project...
Proth Prime Search (Sieve)
http://www.primegrid.com/forum_thread.php?id=7138#101309
December 18th 10:44:00 UTC until December 21st 10:44:00 UTC we will be having a 3 day challenge
This is part 9 of 9 challenges. It is CPU and GPU. Our team is currently in 12th place for the series.
Current...
November 18-23rd
AP27 Prime Search
Team page: [H]ard|OCP
This is part 8 of 9 challenges. It is CPU and GPU. Our team is currently in 12th place for the series.
Current team standings are: There is still cleanup from previous challenges so these positions are not final
25 - RFGuy_KCCO
101 -...
October 3rd-4th. (24 hours)
SGS-LLR
Team page: [H]ard|OCP
This is part 7 of 9 challenges. It is CPU only. Our team is currently in 12th place for the series.
Current team standings are: Challenge 5 is still in cleanup phase and is not reflected below
25 - RFGuy_KCCO
101 - Coleslaw
105 -...
8/2-8/5 - Summer Olympics Challenge
Riesel Sieve
Team Page - [H]ard|OCP
This is part 5 of 9 challenges. It is CPU only. Our team is currently in 12th place for the series.
Current team standings are:
25 - RFGuy_KCCO
107 - pututu
156 - HighTech67
157 - Coleslaw
242 - brilong
352 - tjmagneto...