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News
News from PrimeGrid.

786

2342

9 days ago

Number crunching
Hardware, software, status, progress, etc. affecting more than one subproject.

2016

42819

1 hour ago

General discussion
The forums, mathematics, or if it doesn't fit anywhere else, it goes here!

1012

11619

13 hours ago

Help Desk

Problems and Help
Help for new users.
The only place you can post without credit when you're new.

1436

9908

4 hours ago

Subprojects

Project Staging Area
PRPNet and PRPNet subprojects.

460

10656

30 days ago

Sieving
Manual Sieving as part of the Project Staging Area.
(Discuss sieving for BOINC subprojects in the appropriate subproject forum below.)

172

3217

498 days ago

321 Prime Search

565

29 days ago

AP26 - AP27 Search

117

2369

6 days ago

Cullen/Woodall prime search

626

126 days ago

Extended Sierpinski Problem

271

135 days ago

Generalized Cullen/Woodall prime search

416

65 days ago

Generalized Fermat Prime Search

349

9402

3 days ago

Prime Sierpinski Problem

437

6 days ago

Proth Prime Search

244

2919

27 days ago

The Riesel Problem

981

25 days ago

Seventeen or Bust

2250

3 days ago

Sierpinski/Riesel Base 5 Problem

707

40 days ago

Sophie Germain Prime Search

995

85 days ago

Wieferich and Wall-Sun-Sun Prime Search

451

6 days ago

Completed subprojects

Fermat Divisor Search

446

224 days ago

Primegen

3430 days ago

Twin Prime Search

233

4204 days ago

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