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Difference between revisions of "Riesel prime 2 19401"
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297509 | 297509 | ||
3086450;119999;C:{{NRi|19401|4|1543225}} | 3086450;119999;C:{{NRi|19401|4|1543225}} | ||
| − | |RRemarks=Tested to {{Vn}}=3086450 only even values, see [[Liskovets-Gallot conjectures]] | + | |RRemarks=Tested to {{Vn}}=3086450 only even values, see [[Liskovets-Gallot conjectures]].<br>For even-{{Vn}}, also see 19401*4^{{Vn}}-1. |
|RSieve=y | |RSieve=y | ||
}} | }} | ||
Revision as of 00:42, 31 May 2024
Current data
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Remarks : |
Tested to n=3086450 only even values, see Liskovets-Gallot conjectures. For even-n, also see 19401*4^n-1. |
Notes
History
- 2023-12-07: Checked n = 600000-1000000, odd n only, Alexander Jones
- 2023-03-23: Checked n = 500000-600000, odd n only, Alexander Jones
- 2023-03-14: Sieve file created: n = 600000-3100000 (all n), 150000-600000 (even n only), Alexander Jones, yoyo@home
- 2022-03-31: Checked n = 300000-500000, odd n only, Alexander Jones
- 2022-01-10: Checked n = 150000-300000, odd n only, Alexander Jones
- 2021-12-22: Checked to n = 150000, Alexander Jones
- 2015-06-13: Found n = 3086450, Gary Barnes, CRUS Liskovets-Gallot
- 2015-04-29: Checked to n = 3000000 (only even n), (PRPnet port 1400), Conjectures 'R Us
- 2014-09-20: Reserved by (PRPnet port 1400), Conjectures 'R Us, for even n>2000000
- 2011-08-10: Checked to n = 2000000 (only even n), (PRPnet port 1300), Conjectures 'R Us, released
- 2011-05-13: Checked to n = 1400000 (only even n), (PRPnet port 1300), Conjectures 'R Us
- 2011-02-07: Reserved by (PRPnet port 1300), Conjectures 'R Us
- 2011-02-02: Checked to n = 1200000 (only even n), Karsten Bonath, released
- 2010-06-27: Checked to n = 1200000 (only even n), Karsten Bonath
- 2010-03-28: Checked to n = 1136000 (only even n), Karsten Bonath
- 2009-04-10: Checked to n = 1126000 (only even n), Karsten Bonath
- 2008-12-11: Checked to n = 964000 (only even n), Karsten Bonath
- 2008-06-15: Checked to n = 437000 (only even n), Karsten Bonath
- 2008-05-04: Checked to n = 385000 (only even n), Karsten Bonath
- 2008-04-05: Checked to n = 379000 (only even n), Karsten Bonath
- 2008-02-14: Checked to n = 300000 (only even n), Karsten Bonath
- 2008-01-19: Checked to n = 132000, Karsten Bonath
- 2008-01-10: Checked to n = 262578 (only even n), Jean Penné
- 2007-12-19: Reserved by Jean Penné
