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Difference between revisions of "Woodall prime P 2"
(add OEIS & add references to additional history & Woodall base 4) |
(remove already normalized Riesel references (consistency)) |
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Line 6: | Line 6: | ||
|WoNlist= | |WoNlist= | ||
1;T:T;C:{{NRi|2}}, {{NWo|4|1}} | 1;T:T;C:{{NRi|2}}, {{NWo|4|1}} | ||
− | 2 | + | 2 |
3;C:{{NRi|5}}, {{NWo|4|2}} | 3;C:{{NRi|5}}, {{NWo|4|2}} | ||
− | 4 | + | 4 |
5;T:T;C:{{NRi|3|6}}, {{NWo|4|3}} | 5;T:T;C:{{NRi|3|6}}, {{NWo|4|3}} | ||
9;C:{{NRi|5|10}}, {{NWo|4|5}} | 9;C:{{NRi|5|10}}, {{NWo|4|5}} | ||
− | 14 | + | 14 |
15;C:{{NRi|19}}, {{NWo|4|8}} | 15;C:{{NRi|19}}, {{NWo|4|8}} | ||
− | 16 | + | 16 |
27;C:{{NRi|7|29}}, {{NWo|4|14}} | 27;C:{{NRi|7|29}}, {{NWo|4|14}} | ||
45;C:{{NRi|23|46}}, {{NWo|4|23}} | 45;C:{{NRi|23|46}}, {{NWo|4|23}} | ||
− | 122 | + | 122 |
125;C:{{NRi|63|126}}, {{NWo|4|63}} | 125;C:{{NRi|63|126}}, {{NWo|4|63}} | ||
213;C:{{NRi|107|214}}, {{NWo|4|107}} | 213;C:{{NRi|107|214}}, {{NWo|4|107}} | ||
− | 242 | + | 242 |
− | 256 | + | 256 |
263;C:{{NRi|33|266}}, {{NWo|4|132}} | 263;C:{{NRi|33|266}}, {{NWo|4|132}} | ||
− | 290 | + | 290 |
855;C:{{NRi|107|858}}, {{NWo|4|428}} | 855;C:{{NRi|107|858}}, {{NWo|4|428}} | ||
1059;C:{{NRi|265|1061}}, {{NWo|4|530}} | 1059;C:{{NRi|265|1061}}, {{NWo|4|530}} | ||
Line 28: | Line 28: | ||
3945;47591;C:{{NRi|1973|3946}}, {{NWo|4|1973}} | 3945;47591;C:{{NRi|1973|3946}}, {{NWo|4|1973}} | ||
3999;46892;C:{{NRi|125|4004}}, {{NWo|4|2000}} | 3999;46892;C:{{NRi|125|4004}}, {{NWo|4|2000}} | ||
− | 9512 | + | 9512 |
14127;27021;C:{{NRi|883|14131}}, {{NWo|4|7064}} | 14127;27021;C:{{NRi|883|14131}}, {{NWo|4|7064}} | ||
− | 16486;25566 | + | 16486;25566 |
− | 20056;22658 | + | 20056;22658 |
− | 28834;18742 | + | 28834;18742 |
41493;15177;C:{{NRi|20747|41494}}, {{NWo|4|20747}} | 41493;15177;C:{{NRi|20747|41494}}, {{NWo|4|20747}} | ||
159147;1152;C:{{NRi|39787|159149}}, {{NWo|4|79574}} | 159147;1152;C:{{NRi|39787|159149}}, {{NWo|4|79574}} |
Latest revision as of 00:27, 1 November 2024
Current data
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Remarks : |
The sequence A230769 in OEIS See additional history at Near-Cullen & Near-Woodall primes For additional odd n history, see Woodall n•4n-1. |
Notes
- ↑ Twin n=1, Mersenne 22-1, Woodall 41-1
- ↑ Mersenne 25-1, Woodall 2•42-1
- ↑ Twin n=5, Riesel 3•26-1, Woodall 3•43-1
- ↑ Riesel 5•210-1, Woodall 5•45-1
- ↑ Mersenne 219-1, Woodall 8•48-1
- ↑ Riesel 7•229-1, Woodall 14•414-1
- ↑ Riesel 23•246-1, Woodall 23•423-1
- ↑ Riesel 63•2126-1, Woodall 63•463-1
- ↑ Riesel 107•2214-1, Woodall 107•4107-1
- ↑ Riesel 33•2266-1, Woodall 132•4132-1
- ↑ Riesel 107•2858-1, Woodall 428•4428-1
- ↑ Riesel 265•21061-1, Woodall 530•4530-1
- ↑ Riesel 1137•22274-1, Woodall 1137•41137-1
- ↑ Riesel 1973•23946-1, Woodall 1973•41973-1
- ↑ Riesel 125•24004-1, Woodall 2000•42000-1
- ↑ Riesel 883•214131-1, Woodall 7064•47064-1
- ↑ Riesel 20747•241494-1, Woodall 20747•420747-1
- ↑ Riesel 39787•2159149-1, Woodall 79574•479574-1
- ↑ Riesel 56785•2227141-1, Woodall 113570•4113570-1
- ↑ Riesel 36739•2587827-1, Woodall 293912•4293912-1
- ↑ Riesel 1993191•23986382-1, Woodall 1993191•41993191-1
History
- 2015-05-01: Checked n = 2000000 - 4000000 only odd n, Serge Batalov from Woodall n•4n-1
- 2015-05-01: Found n = 3986381, Serge Batalov
- 2014-11-12: Checked n = 1896000 - 2000000, Steven Harvey
- 2014-10-27: Checked n = 1866000 - 1896000, Steven Harvey
- 2014-10-10: Checked n = 1747000 - 1866000, Steven Harvey
- 2014-08-15: Checked n = 1720000 - 1747000, Steven Harvey
- 2014-07-29: Checked n = 1678000 - 1720000, Steven Harvey
- 2014-07-10: Checked n = 1630000 - 1678000, Steven Harvey
- 2014-06-03: Checked n = 1100000 - 1630000, Steven Harvey
- 2012-06-01: Checked to n = 1100000, Steven Harvey
- 2009-09-11: Found n = 587823, Steven Harvey
- 2000-07-28: Found n = 227139, Ray Ballinger
- 2000-05-19: Found n = 159147, Ray Ballinger
- 1998-07-03: Found n = 41493, Henri Lifchitz
- 1998-07-03: Found n = 28834, Henri Lifchitz
- 1998-07-03: Found n = 20056, Henri Lifchitz
- 1998-07-03: Found n = 16486, Henri Lifchitz
- 1998-07-03: Found n = 14127, Henri Lifchitz
- 1998-07-03: Found n = 3999, Henri Lifchitz
- 1998-07-03: Found n = 3945, Henri Lifchitz