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Difference between revisions of "Riesel prime 10 9"
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==History== | ==History== | ||
| + | {{HistR|2024-09-24|Gary Barnes|1054412}} for {{Rn|230000|600000}} | ||
{{HistC|2024-08-26|2-100000|Mark Rodenkirch|1052265}}, double-check, released | {{HistC|2024-08-26|2-100000|Mark Rodenkirch|1052265}}, double-check, released | ||
{{HistR|2024-08-22|Mark Rodenkirch|903884}} for {{Rn|2|100000}}, double-check | {{HistR|2024-08-22|Mark Rodenkirch|903884}} for {{Rn|2|100000}}, double-check | ||
| Line 55: | Line 56: | ||
{{HistF|2010-11-04|212903|David Broadhurst}} | {{HistF|2010-11-04|212903|David Broadhurst}} | ||
{{HistC|2010-09-30|1-30000|Ray Chandler}} | {{HistC|2010-09-30|1-30000|Ray Chandler}} | ||
| + | {{HistC|2006-10-30|5000|Hugo Platzer}} | ||
{{HistF|2004-01-21|107663|Jiong Sun}} | {{HistF|2004-01-21|107663|Jiong Sun}} | ||
{{HistF|2002-01-23|41917|Eric J. Sorensen}} | {{HistF|2002-01-23|41917|Eric J. Sorensen}} | ||
Revision as of 19:19, 24 September 2024
| Reserved! This sequence is currently reserved by: Gary Barnes |
Current data
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Remarks : |
The sequence A056725 in OEIS See also Near-repdigit 899...99 Studio Kamada See also Williams 9•10n-1 |
Notes
- ↑ Sophie Germain n=1
- ↑ Twin n=3
History
- 2024-09-24: Reserved by Gary Barnes for n = 230000 - 600000
- 2024-08-26: Checked n = 2 - 100000, Mark Rodenkirch, double-check, released
- 2024-08-22: Reserved by Mark Rodenkirch for n = 2 - 100000, double-check
- 2021-10-05: Checked n = 1040001 - 1050000, Predrag Kurtovic
- 2021-01-10: Checked n = 1030001 - 1040000, Predrag Kurtovic
- 2020-08-04: Found n = 1762063, Ryan Propper
- 2019-01-29: Checked n = 1020001 - 1030000, Predrag Kurtovic
- 2017-11-08: Checked n = 1015001 - 1020000, Predrag Kurtovic
- 2017-06-12: Checked n = 1010001 - 1015000, Predrag Kurtovic
- 2016-09-19: Checked n = 1000001 - 1010000, Predrag Kurtovic
- 2016-09-19: Found n = 1009567, Predrag Kurtovic
- 2011-04-17: Checked n = 200000 - 230000, Gary Barnes
- 2011-02-20: Checked n = 150000 - 200000, Gary Barnes
- 2011-01-18: Checked n = 100000 - 150000, Gary Barnes
- 2011-01-07: Found n = 383643, David Broadhurst
- 2010-12-19: Found n = 364521, David Broadhurst
- 2010-12-01: Checked n = 1 - 100000, Gary Barnes, double-check n = 1 - 30000
- 2010-11-09: Found n = 223871, David Broadhurst
- 2010-11-05: Found n = 260253, David Broadhurst
- 2010-11-04: Found n = 212903, David Broadhurst
- 2010-09-30: Checked n = 1 - 30000, Ray Chandler
- 2006-10-30: Checked to n = 5000, Hugo Platzer
- 2004-01-21: Found n = 107663, Jiong Sun
- 2002-01-23: Found n = 41917, Eric J. Sorensen
- 2000-12-10: Found n = 48051, Harvey Dubner
- 2000-10-27: Found n = 41475, Dirk Augustin
- 2000-08-11: Checked n = 1 - 6750, Robert G. Wilson
- 1994-12-01: Found n = 11143, Harvey Dubner
- 1994-10-01: Found n = 9631, Harvey Dubner
- 1994-10-01: Found n = 8415, Harvey Dubner
- ?: Found n = 935, Robert G. Wilson
