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Difference between revisions of "Williams prime MM 3"
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*2001-08-12: Found n = 75551, Wilfrid Keller | *2001-08-12: Found n = 75551, Wilfrid Keller | ||
*2001-06-30: Found n = 49340, Wilfrid Keller | *2001-06-30: Found n = 49340, Wilfrid Keller | ||
| + | *1972: Found n = 1 ... 222, H.C.Williams, C.R.Zarnke | ||
==External links== | ==External links== | ||
*[https://www.mersenneforum.org/showthread.php?t=8765 Active search], last update post #72 | *[https://www.mersenneforum.org/showthread.php?t=8765 Active search], last update post #72 | ||
*The {{OEIS|l|A003307}} | *The {{OEIS|l|A003307}} | ||
| + | *[http://www.ams.org/journals/mcom/1972-26-120/S0025-5718-1972-0314747-X/S0025-5718-1972-0314747-X.pdf H.C.Williams, C.R.Zarnke: "Some prime numbers of the forms 2A3^n+1 and 2A3^n-1"] Math. Comp. 26 (1972), 995-998 | ||
Revision as of 16:59, 14 April 2019
| Reserved! This sequence is currently reserved by: Borys Jaworski |
| Last update: 2019-04-14 |
| Reserved! This sequence is currently reserved by: Borys Jaworski |
Current data
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History
- 2015-07-31: Found n = 1360104, Borys Jaworski, Riesel Prime Search
- 2012-02-12: Found n = 1063844, Borys Jaworski, Riesel Prime Search
- 2011-09-01: Found n = 1010743, Borys Jaworski, Riesel Prime Search
- 2004-08-15: Found n = 147488, Ingo Buechel, Wilfrid Keller
- 2004-08-12: Found n = 143552, Ingo Buechel, Wilfrid Keller
- 2003-06-20: Found n = 128295, Ingo Buechel, Wilfrid Keller
- 2001-09-28: Found n = 90012, Wilfrid Keller
- 2001-08-12: Found n = 75551, Wilfrid Keller
- 2001-06-30: Found n = 49340, Wilfrid Keller
- 1972: Found n = 1 ... 222, H.C.Williams, C.R.Zarnke
External links
- Active search, last update post #72
- The sequence A003307 in OEIS
- H.C.Williams, C.R.Zarnke: "Some prime numbers of the forms 2A3^n+1 and 2A3^n-1" Math. Comp. 26 (1972), 995-998
