321 Search

The status of the search

Primes found by the project:

prime digits who when
3*2^234760-1 70,671 Thomas Ritschel 10th April 2003
3*2^414840-1 124,880 Paul Jobling 20th May 2003
3*2^584995-1 176,102 Sergey Kochergin 19th August 2003
3*2^702038-1 211,335 Thomas Ritschel 13th November 2003
3*2^727699-1 219,060 Luigi Morelli 23rd January 2004
3*2^992700-1 298,833 Jason Kowzun 17th May 2004
3*2^1201046-1 361,552 Alexandre de Pereyra 24th August 2004
3*2^1232255-1 370,947 Thomas Ritschel 30th August 2004
3*2^2312734-1 696,203 Paul Underwood 20th December 2005
3*2^3136255-1 944,108 Paul Underwood 8th March 2007
3*2^4235414-1 1,275,988 Dylan Bennett 23rd March 2008

Sieving was completed  on 16th March 2006. We sieved to 236 trillion on the range of n in between 2,500,000 and 5,000,000

Early 2007 update: due to improved software we are able to sieve a little further with srsieve.

0.2-1.0 million LLR status - all done
1.0-2.0 million LLR status - all done
2.0-3.0 million LLR status - all done
3.0-4.0 million LLR status - ongoing
4.0-5.0 million LLR status - ongoing

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