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#254 |
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Nov 2003
23×163 Posts |
1357*2^919301-1 (276741 digits)
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#255 |
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Sep 2004
2·5·283 Posts |
6th Drive
205*2^1300401-1 (391463 digits) Last fiddled with by em99010pepe on 2010-11-19 at 12:43 |
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#256 |
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Nov 2003
2×1,811 Posts |
10th Drive:
18209*2^736524-1 (221721 digits) The first prime after more than a month! |
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#257 |
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"Dave"
Sep 2005
UK
23×347 Posts |
4005*2^685729-1 (206429 digits)
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#258 |
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Nov 2003
23×163 Posts |
8th drive:
3345*2^806591-1 (242812 digits) |
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#259 |
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Nov 2004
California
23×3×71 Posts |
8331405*2^1297878-1 (390708 digits)
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#260 |
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"Dave"
Sep 2005
UK
AD816 Posts |
4017*2^686586-1 (206687 digits)
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#261 |
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"Curtis"
Feb 2005
Riverside, CA
11·443 Posts |
443*2^1143154-1 (344127 digits).
Alas, not a base 16 prime, as this is the smallest unproven k in riesel base 16. -Curtis Last fiddled with by Kosmaj on 2010-11-24 at 22:15 |
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#262 |
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Nov 2003
23·163 Posts |
1349*2^921752-1 (277479 digits)
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#263 |
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Nov 2003
23×163 Posts |
8th drive:
7245*2^808105-1 (243268 digits) |
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#264 |
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Nov 2004
California
23×3×71 Posts |
8331405*2^1331801-1 (400919 digits)
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