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* Hyper Cullen/Woodall
* Hyper Cullen/Woodall
* Octoproth Search
* Octoproth Search
* Riesel and Sierpinski conjectures


'''Finished Projects:'''<br>
'''Finished Projects:'''<br>

Version vom 28. August 2016, 11:20 Uhr

PrimeGrid's primary goal is to bring the excitement of prime finding to the "everyday" computer user. By simply downloading and installing BOINC and attaching to the PrimeGrid project, participants can choose from a variety of prime forms to search. With a little patience, you may find a large or even record breaking prime and enter into Chris Caldwell's The Largest Known Primes Database as a Titan!

PrimeGrid's secondary goal is to provide relevant educational materials about primes. Additionally, we wish to contribute to the field of mathematics.

Lastly, primes play a central role in the cryptographic systems which are used for computer security. Through the study of prime numbers it can be shown how much processing is required to crack an encryption code and thus to determine whether current security schemes are sufficiently secure. PrimeGrid is currently running several sub-projects:

  • 321 Prime Search: searching for mega primes of the form 3·2n±1
  • Cullen-Woodall Search: searching for mega primes of forms n·2n+1 and n·2n−1
  • Extended Sierpinski Project: helping to solve the Extended Sierpinski Problem
  • Prime Sierpinski Project: helping Prime Sierpinski Project solve the Prime Sierpinski Problem
  • Proth Prime Search: searching for primes of the form k·2n+1
  • Seventeen or Bust: helping to solve the Sierpinski Problem
  • Sierpinski/Riesel Base 5 Project: helping to solve the Sierpinski/Riesel Problem with base 5
  • Sophie Germain Prime Search: searching for primes p and 2p+1
  • The Riesel problem: helping to solve the Riesel Problem
  • Generalized Fermat Prime Search: searching for the largest known prime
  • AP27 Search


Primegrid Preferences


Project Staging Area

The PSA was created to research, test, and prepare future projects for PrimeGrid BOINC. It has also expanded to include additional projects that will not enter BOINC. While we attempt to do most of the prep work internally, some efforts are so large that we need the assistance of the community.

Sieving

  • Factorial Sieving
  • Generalized Fermat Number Prime Sieving
  • Primorial Sieving
  • Proth Prime Search Extended Sieving

PRPNet

PRPnet-Projekt
Server:Port
Laufzeit/
Runtime
Deadline Status
Factorial Prime Search (FPS)
prpnet.primegrid.com:12002
Migrated to BOINC
Primorial Prime Search (PRS)
prpnet.primegrid.com:12008
Migrated to BOINC
Riesel Prime Base 2 Search
noprimeleftbehind.net:2000
24h 18th Drive / Server von NPLB
Riesel Prime Base 2 Search
noprimeleftbehind.net:9000
24h 17th Drive / Server von NPLB
Riesel Prime Base 2 Search
noprimeleftbehind.net:1468
24h 19th Drive / Server von NPLB
Riesel Prime Base 2 Megaprime Search
noprimeleftbehind.net:1400
24h High-n Drive / Server von NPLB
CRUS misc work
noprimeleftbehind.net:1300
Offline Server von CRUS-Projekt
k<300 for n>2M
noprimeleftbehind.net:4000
24h Server für RPS
Twin Prime Search (n=333444)
tps.dnshome.de:7100
24h Server von TPS-Projekt
Twin Prime Search (n=1.7M)
noprimeleftbehind.net:12000
24h Server von TPS-Projekt
Twin Prime Search (n=3.322M)
noprimeleftbehind.net:13000
24h Server von TPS-Projekt
Project Badges Status
321
321 Sieve suspended
AP27
Cullen
Cullen/Woodall Sieve
Extended Sierpinski Project
GCW
GCW Sieve suspended
Genefer
PPS
PPS Sieve
Project Staging Area (PSA) paused
PSP
PSP Sieve suspended
SGS
SoB
SR5
TPS ended
TRP
TRP Sieve suspended
Woodall

Future Projects (planned):

  • +1 Prime Search
  • Hyper Cullen/Woodall
  • Octoproth Search

Finished Projects:

PRPnet

  • Dual Sierpinski Problem (double check)
  • Extended Sierpinski Project (now Boinc)
  • PPSE und PPSElow
  • Proth Mega Prime Search (now Boinc)
  • Sierpinski/Riesel Base 5 Project (now Boinc)
  • Sophie Germain Prime Search (now Boinc)
  • The Riesel Problem (double check)

Primegrid

  • 321 Prime Search Sieve
  • AP26
  • GCW Sieve
  • Primegen
  • TPS
Primegrid
Start 2005
End
Status
Admin Rytis Slatkevičius
Institution -
Country Lithuania
Area Mathematics
Apps
Win Sophie Germain Prime Search (LLR) 7.05

Woodall Prime Search (LLR) 7.05
Cullen Prime Search (LLR) 7.05
321 Prime Search (LLR) 7.05
Prime Sierpinski Problem (LLR) 7.05
Proth Prime Search (Sieve) 1.39
PPS LLR 7.05
PPSE LLR 7.05
PPS-Mega LLR 7.053
Seventeen or Bust 7.05
The Riesel Problem (Sieve) 1.12
The Riesel Problem (LLR) 7.05
Sierpinski/Riesel Base 5 Problem (LLR) 7.05
Extended Sierpinski Problem 7.05
Sierpinski Problem ESP/PSP/SoB (Sieve) 1.12
Genefer 3.08
Genefer 32768 3.09
Genefer 65536 3.09
Genefer 131072 Low 3.09
Genefer 131072 Mega 3.09
Genefer 262144 3.09
Genefer 524288 3.09
Genefer 1048576 3.09

Linux Sophie Germain Prime Search (LLR) 7.05

Woodall Prime Search (LLR) 7.05
Cullen Prime Search (LLR) 7.05
321 Prime Search (LLR) 7.05
Prime Sierpinski Problem (LLR) 7.05
Proth Prime Search (Sieve) 1.39
PPS LLR 7.05
PPSE LLR 7.05
PPS-Mega LLR 7.05
Seventeen or Bust 7.05
The Riesel Problem (Sieve) 1.02
The Riesel Problem (LLR) 7.05
Sierpinski/Riesel Base 5 Problem (LLR) 7.05
Extended Sierpinski Problem 7.05
Sierpinski Problem ESP/PSP/SoB (Sieve) 1.02
Genefer 3.08
Genefer 32768 3.09
Genefer 65536 3.09
Genefer 131072 Low 3.09
Genefer 131072 Mega 3.09
Genefer 262144 3.09
Genefer 524288 3.09
Genefer 1048576 3.09

Mac Sophie Germain Prime Search (LLR) 7.05

Woodall Prime Search (LLR) 7.05
Cullen Prime Search (LLR) 7.05
321 Prime Search (LLR) 7.05
Prime Sierpinski Problem (LLR) 7.05
Proth Prime Search (Sieve) 1.39
PPS LLR 7.05
PPSE LLR 7.05
PPS-Mega LLR 7.05
Seventeen or Bust 7.05
The Riesel Problem (Sieve) 1.02
The Riesel Problem (LLR) 7.05
Sierpinski/Riesel Base 5 Problem (LLR) 7.05
Extended Sierpinski Problem 7.05
Sierpinski Problem ESP/PSP/SoB (Sieve) 1.02
Genefer 3.08
Genefer 32768 3.09
Genefer 65536 3.09
Genefer 131072 Low 3.09
Genefer 131072 Mega 3.09
Genefer 262144 3.09
Genefer 524288 3.09
Genefer 1048576 3.09

64bit Sophie Germain Prime Search (LLR) 7.05 [win/linux/mac]

Woodall Prime Search (LLR) 7.05 [win/linux/mac]
Cullen Prime Search (LLR) 7.05 [win/linux/mac]
321 Prime Search (LLR) 7.05 [win/linux/mac]
Prime Sierpinski Problem (LLR) 7.05 [win/linux/mac]
Proth Prime Search (Sieve) 1.39 [win/linux/mac]
PPS LLR 7.05 [win/linux/mac]
PPSE LLR 7.05 [win/linux/mac]
PPS-Mega LLR 7.05 [win/linux/mac]
Seventeen or Bust 7.05 [win/linux/mac]
The Riesel Problem (Sieve) 1.12/1.07/1.02 [win/linux/mac]
The Riesel Problem (LLR) 7.05 [win/linux/mac]
Sierpinski/Riesel Base 5 Problem (LLR) 7.05 [win/linux/mac]
Extended Sierpinski Problem 7.05 [win/linux/mac]
Sierpinski Problem ESP/PSP/SoB (Sieve) 1.12/1.07/1.02 [win/linux/mac] Genefer 3.08 [win/linux/mac]
Genefer 32768 3.09 [win/linux/mac]
Genefer 65536 3.09 [win/linux/mac]
Genefer 131072 Low 3.09 [win/linux/mac]
Genefer 131072 Mega 3.09 [win/linux/mac]
Genefer 262144 3.09 [win/linux/mac]
Genefer 524288 3.09 [win/linux/mac]
Genefer 1048576 3.09 [win/linux/mac]
AP27 Search 2.01 [win/linux/mac]

PS3
ATI Proth Prime Search (Sieve) 1.39 [win/linux/mac]

Genefer 3.8 (OpenCL) [win/linux/mac] (nur DP)
Genefer World Record 3.8 (OpenCL) [win/linux/mac] (nur DP)
Genefer 32768 3.10 (OpenCL) [win/linux/mac] (nur DP)
Genefer 65536 3.09 (OpenCL) [win/linux/mac] (nur DP)
Genefer 131072 Low 3.09 (OpenCL) [win/linux]
Genefer 131072 Mega 3.09 (OpenCL) [win/linux]
Genefer 262144 3.09 [win/linux]
Genefer 524288 3.09 [win/linux]
Genefer 1048576 3.09 [win/linux]
AP27 Search 2.01 [win/linux/mac]

CUDA Proth Prime Search (Sieve) 1.39 [win/linux/mac]

Genefer 3.8 [win/linux/mac] (nur DP)
Genefer 3.8 (OpenCL) [win/linux/mac] (nur DP)
Genefer World Record 3.8 [win/linux/mac] (nur DP)
Genefer World Record 3.8 (OpenCL) [win/linux/mac] (nur DP)
Genefer 32768 3.10 (OpenCL) [win/linux/mac] (nur DP)
Genefer 65536 3.09 (OpenCL) [win/linux/mac] (nur DP)
Genefer 131072 Low 3.09 (OpenCL) [win/linux]
Genefer 131072 Mega 3.09 (OpenCL) [win/linux/mac]
Genefer 262144 3.09 [win/linux/mac]
Genefer 524288 3.09 [win/linux/mac]
Genefer 1048576 3.09 [win/linux/mac]
AP27 Search 2.01 [win/linux/mac]

Intel
Android
RPi
NCI
System-Specs
VRAM min. 200MB SP DP
RAM 36,5MB (PSP Sieve)

27MB (321)
30MB (PSP)
76MB (SOB)
138MB (TRP Sieve)
28MB (TRP)
22MB (SR5)
53MB (Cullen)
8MB (ESP

Runtime 8min(PSP Sieve)

42-45h (PSP-AVX)
8m40s(PPSE-AVX)
23min(PPS-AVX)
12min (SGS-AVX)
10h (321-AVX)
74h (SOB-AVX)
18min (TRP Sieve)
6-7h(TRP-AVX)
12m39s (PPS Sieve Cuda)
6h40m (genefer opencl)
2-2,5h (SR5-AVX)
27h (Woodall-AVX)
22h (Cullen-AVX)
5,5h (ESP-AVX)

HDD
Traffic dl/ul kb / kb
Deadline 12 days (Cullen)

12 days (Woodall)
12 days (321 LLR)
7 days (PSP Sieve)
12 days (PSP llr)
7 days (PPS Sieve)
7 days (AP26 Search)
4 days (Sophie Germain LLR)
7 days (321 Sieve)
20 days (SOB)
7 days (Riesel Sieve)
5 days (Riesel LLR)
15 days (SR5)
6 days (ESP)

Checkpoints