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见于: http://www.seventeenorbust.com/
http://www.seventeenorbust.com/news/
SB DISCOVERS ITS 8TH PRIME!!!!
(posted by louis helm) Wednesday, 15 Jun 2005
27653 * 2^9167433 + 1 is prime!!!! This prime weighs in at 2,759,677 digits [decimal expansion available], making it the largest non-Mersenne prime ever discovered and the 5th largest currently known prime of any form. The result was submitted at 01:25:29 EST on June 8th by Derek Gordon, a member of team LEDS. Derek is a true SB veteran. He signed up in May 2002, before we had discovered a single prime. It was back when we were only testing k=27653. So it's only fitting that after 3 years, he's the one who finally eliminated the original SB multiplier, k=27653. This will save us lots of retesting. A huge boost for the project.
Before joining SB, Derek was involved with other DC projects like Distributed.net and GIMPS. He now uses all 3 of his personal computers and 6 work computers for SB exclusively. The computer that found the prime was his Pentium 4 Windows machine at Leading Edge Design.
To read more about the discovery, check out the official Press Release.
As always, a big shout out to all our SB crunchers. None of these discoveries would be possible without the dedication of thousands of users worldwide crunching numbers. You are the heart and soul of Seventeen or Bust and this discovery is dedicated to you. Congratulations! |
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发表于 2005-6-16 13:23:06
发表于 2005-6-16 14:58:24
