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Difference between revisions of "Riesel prime 2 103881"
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{{Riesel prime | {{Riesel prime | ||
|Rk=103881 | |Rk=103881 | ||
| + | |Rb=2 | ||
|RCount=39 | |RCount=39 | ||
|RNash=1895 | |RNash=1895 | ||
Revision as of 00:12, 17 July 2021
Current data
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Notes
- ↑ Sophie Germain n=13
- ↑ Twin n=31
History
- 2015-02-01: Checked to n = 500000, Alexander Jones
- 2014-01-28: Checked to n = 300000, Alexander Jones
- 2013-12-28: Checked to n = 275000, Alexander Jones
- 2013-12-09: Checked to n = 250000, Alexander Jones
- 2013-11-19: Checked to n = 225000, Alexander Jones
- 2013-11-04: Checked to n = 200000, Alexander Jones
- 2013-10-16: Checked to n = 150000, Alexander Jones
- 2011-09-20: Found n = 489661, Lennart Vogel, Twin Prime Search
