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Difference between revisions of "Proth prime 3 4"
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(Williams prime comment) |
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2016951;130887 | 2016951;130887 | ||
2143374;130886 | 2143374;130886 | ||
− | |PRemarks=The {{OEIS|l|A005537}}<br>For all even {{Vn}}-values {{Kbn|+|4|3|n}} is a [[Generalized Fermat number]]. | + | |PRemarks=The {{OEIS|l|A005537}}<br>For all even {{Vn}}-values {{Kbn|+|4|3|n}} is a [[Generalized Fermat number]].<br>See also {{NWi|PP|3|n}} |
|PSieve= | |PSieve= | ||
}} | }} |
Revision as of 06:56, 30 August 2024
Current data
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Remarks : |
The sequence A005537 in OEIS For all even n-values 4•3n+1 is a Generalized Fermat number. See also Williams 4•3n+1 |
History
- 2020-05-08: Found n = 2016951, Ryan Propper
- 2020-05-07: ?, Matthias Baur, released
- 2020-05-07: Found n = 2143374, Ryan Propper
- 2020-05-07: Found n = 1936890, Ryan Propper
- 2020-01-16: Checked to n = 1500000, Matthias Baur
- 2020-01-16: Found n = 1499606, Matthias Baur
- 2019-12-07: Checked to n = 1200000, Matthias Baur
- 2019-11-28: Found n = 1154598, Matthias Baur
- 2019-07-28: Checked to n = 1000000, Matthias Baur
- 2019-07-12: Found n = 887535, Matthias Baur
- 2019-07-10: Found n = 980925, Matthias Baur
- 2019-06-04: Checked to n = 800000, Matthias Baur
- 2018-12-06: Checked to n = 600000, Matthias Baur
- 2005-11-29: Found n = 233583, Boris Iskra
- 1996-12-01: Found n = 19785, Chris Caldwell
- 1996-12-01: Found n = 9602, Chris Caldwell
- 1992: Found n = 3522, Chris Caldwell
- 1992: Found n = 3306, Chris Caldwell