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Difference between revisions of "Riesel prime 2 21825"
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{{Riesel prime | {{Riesel prime | ||
|Rk=21825 | |Rk=21825 | ||
+ | |Rb=2 | ||
|RCount=90 | |RCount=90 | ||
|RNash=4481 | |RNash=4481 |
Revision as of 23:29, 16 July 2021
Reserved! This sequence is currently reserved by: Alexander Jones |
Current data
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Notes
- ↑ Sophie Germain n=1, Twin n=1
- ↑ Sophie Germain n=2
- ↑ Sophie Germain n=3
- ↑ Sophie Germain n=8
- ↑ Sophie Germain n=11
- ↑ Twin n=151
History
- 2021-06-01: Checked to n = 375000, Alexander Jones
- 2021-01-13: Checked to n = 350000, Alexander Jones
- 2020-10-01: Checked to n = 325000, Alexander Jones
- 2020-06-17: Checked to n = 300000, Alexander Jones
- 2020-03-17: Reserved by Alexander Jones
- 2011-11-23: Checked to n = 1007, Gary Barnes
- 2011-10-03: Checked n = 400000 - 1000000, RPS Drive 9, released
- 2011-02-13: Found n = 912659, Peter Benson
- 2010-11-11: Found n = 832142, Peter Benson
- 2010-08-30: Found n = 733583, Peter Benson
- 2010-08-09: Found n = 711511, David Metcalfe
- 2010-06-21: Found n = 659361, David Metcalfe
- 2009-06-07: Found n = 470138, David Metcalfe
- 2009-05-22: Found n = 447542, James P. Burt
- 2009-05-12: Reserved by RPS Drive 9