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GeezerVison is showing srbase.my-firewall.org — SRBase

SRBase
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About SRBase

is a mathematical research project that uses Internet-connected computers trying to solve Sierpinski / Riesel Bases up to 1030. Prove the conjectures by finding at least one prime for all lower values of k.

The project is in collaboration with the Mersenne CRUS project.
The server is running on a private computer in a VM.

The invitation code for creating new accounts is pillepalle
You can only create new accounts over the website.

Project people:
  • gd_barnes - CRUS admin - results
  • Odicin/walli - scripts
  • rebirther - SRBase admin
Project status:
  • Riesel Base: 409/1032 proven (23.03.2025)
  • Sierpinski Base: 405/1032 proven (30.10.2026)
    23 unstarted bases (02.05.2026)
    5 bases partially tested (04.05.2026)

About LL-dc

is a subproject for GPU to double-checks Lucas-Lehmer work. There is even a chance that a new Mersenne prime is hidden in all those double-checks.

Project people:
  • rebirther - admin
  • DeleteNull/walli - coding
  • James Heinrich - GIMPS admin / work distribution
  • prime95 - app/dev

  • Status

About Trial Factoring

is a subproject for GPU Trial Factoring of Mersenne Prime candidates

Project people:
  • rebirther - admin
  • DeleteNull - coding
  • James Heinrich - GIMPS admin / work distribution
  • Factors found
  • Overview
  • Stats

Join SRBase

  • Read our rules and policies
  • This project uses BOINC. If you're already running BOINC, select Add Project. If not, download BOINC.
  • When prompted, enter
    https://srbase.my-firewall.org/sr5/
  • If you're running a command-line version of BOINC, create an account first.
  • If you have any problems, get help here.

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Community

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  • Statistics
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  • FAQ
  • Hall of fame - primes

Infos

  • Badges
  • Overview
  • Overall stats
  • Riesel reservations
  • Sierpinski reservations

Published papers

  • Behind SRBase

Hardware requirements

  • non AVX AMD/Intel CPU 2.3Ghz+
  • Recommended: AVX,AVX2/FMA3/AVX512 compatible AMD/Intel CPU 2.3Ghz+, HT off

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User of the day

User profile Profile Hoshione
Hy there, i am 64 years old and working as a surveyor for a shipowning company in Germany. In the year 1996 i read about SERENDIP and Seti for the...

News

base R42 Megaprime
Uwe-Bergstedt, a member of the team SETI.Germany found a megaprime for base R42.
The prime 13347*42^732816-1 has 1.189.548 digits and entered the T5k PrimePages.
8 Nov 2026, 22:16:49 UTC · Comment


base S579 Megaprime and proven!
Sightus@CAU, a member of the team Planet 3DNow! found a megaprime for base S579.
The prime 6*579^725792+1 has 2.005.131 digits and entered the T5k PrimePages.
The base S579 has been proven!

This is the first find of the year
30 Oct 2026, 7:55:53 UTC · Comment


cable provider down
As some of you may have already noticed, the site was unavailable for more than a day.

This outage was widespread and marks the second such occurrence this year.

We have extended the grace period to 72 hours to compensate for this downtime.

Please do not cancel any tasks for which the deadline has already passed; these should still be validated. If you encounter any issues, please let us know.

We apologize for the inconvenience.
29 Oct 2026, 12:57:13 UTC · Comment


base S60 Megaprime
Sightus@CAU, a member of the team Planet 3DNow! found a megaprime for base S60.
The prime 853*60^613855+1 has 1.091.530 digits and entered the T5k PrimePages.
21 Oct 2026, 6:49:33 UTC · Comment


base R235 Megaprime
vaughan, a member of the team BOINC@AUSTRALIA found a megaprime for base R235.
The prime 3788*235^455521-1 has 1.080.075 digits and entered the T5k PrimePages.
11 Oct 2026, 14:16:30 UTC · Comment


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