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Difference between revisions of "Williams prime MM 10"
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*2010-11-09: Found n = 223871, David Broadhurst | *2010-11-09: Found n = 223871, David Broadhurst | ||
*2010-11-04: Found n = 212903, David Broadhurst | *2010-11-04: Found n = 212903, David Broadhurst | ||
| + | *2006-10-30: Checked to n = 5000, Hugo Platzer | ||
*2004-01-21: Found n = 107663, Jiong Sun | *2004-01-21: Found n = 107663, Jiong Sun | ||
*2002-01-23: Found n = 41917, Eric J. Sorensen | *2002-01-23: Found n = 41917, Eric J. Sorensen | ||
Revision as of 10:55, 16 April 2019
Current data
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Remarks : |
These primes are Near-repdigit numbers; Search limit given is the highest n searched, however, there is a gap from 230k ≤ n ≤ 1M. |
History
- 2016-09-19: Found n = 1009567, Predrag Kurtovic
- 2011-01-07: Found n = 383643, David Broadhurst
- 2010-12-19: Found n = 364521, David Broadhurst
- 2010-11-05: Found n = 260253, David Broadhurst
- 2010-11-09: Found n = 223871, David Broadhurst
- 2010-11-04: Found n = 212903, David Broadhurst
- 2006-10-30: Checked to n = 5000, Hugo Platzer
- 2004-01-21: Found n = 107663, Jiong Sun
- 2002-01-23: Found n = 41917, Eric J. Sorensen
- 2000-12-10: Found n = 48051, Harvey Dubner
- 2000-10-27: Found n = 41475, Dirk Augustin
- 1994-12-01: Found n = 11143, Harvey Dubner
- 1994-10-01: Found n = 9631, Harvey Dubner
- 1994-10-01: Found n = 8415, Harvey Dubner
- ?: Found n = 935, Wilson
External links
- The sequence A056725 in OEIS
- Factorizations for n ≤ 300 & search history from M. Kamada
