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Difference between revisions of "Proth prime 3 4"
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Line 10: | Line 10: | ||
|PNlist= | |PNlist= | ||
1 | 1 | ||
− | 2 | + | 2 |
3 | 3 | ||
− | 6 | + | 6 |
− | 14 | + | 14 |
15 | 15 | ||
39 | 39 | ||
Line 20: | Line 20: | ||
885 | 885 | ||
1005 | 1005 | ||
− | 1254 | + | 1254 |
1635 | 1635 | ||
− | 3306;38701 | + | 3306;38701 |
− | 3522;38334 | + | 3522;38334 |
− | 9602;26459 | + | 9602;26459 |
19785;18043 | 19785;18043 | ||
− | 72698 | + | 72698 |
233583;76322 | 233583;76322 | ||
328689 | 328689 | ||
− | 537918 | + | 537918 |
887535 | 887535 | ||
980925;126641 | 980925;126641 | ||
− | 1154598;130160 | + | 1154598;130160 |
− | 1499606;130259 | + | 1499606;130259 |
− | 1936890;130883 | + | 1936890;130883 |
2016951;130887 | 2016951;130887 | ||
− | 2143374;130886 | + | 2143374;130886 |
− | |PRemarks=The {{OEIS|l|A005537}} | + | |PRemarks=The {{OEIS|l|A005537}}<br>For all even {{Vn}}-values {{Kbn|+|4|3|n}} is a [[Generalized Fermat number]]. |
|PSieve= | |PSieve= | ||
}} | }} |
Revision as of 21:11, 1 August 2021
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. |
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