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News
News from PrimeGrid.

765

2311

6 days ago

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

1950

41018

1 hour ago

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

977

11134

30 minutes ago

Help Desk

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

1405

9718

2 days ago

Subprojects

Project Staging Area
PRPNet and PRPNet subprojects.

451

10600

13 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

183 days ago

321 Prime Search

550

3 days ago

AP26 - AP27 Search

113

2341

28 days ago

Cullen/Woodall prime search

613

24 days ago

Extended Sierpinski Problem

254

120 days ago

Fermat Divisor Search

340

1 day ago

Generalized Cullen/Woodall prime search

403

67 days ago

Generalized Fermat Prime Search

341

9188

7 days ago

Prime Sierpinski Problem

425

120 days ago

Proth Prime Search

241

2905

31 days ago

The Riesel Problem

909

7 days ago

Seventeen or Bust

2228

1 day ago

Sierpinski/Riesel Base 5 Problem

705

83 days ago

Sophie Germain Prime Search

963

72 days ago

Wieferich and Wall-Sun-Sun Prime Search

333

42 minutes ago

Completed subprojects

Primegen

3116 days ago

Twin Prime Search

233

3889 days ago

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