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Difference between revisions of "Generalized Repunit 10"
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5794777;T:R;C:{{TPRPTop|(10^5794777-1)/9}} | 5794777;T:R;C:{{TPRPTop|(10^5794777-1)/9}} | ||
8177207;T:R;C:{{TPRPTop|(10^8177207-1)/9}} | 8177207;T:R;C:{{TPRPTop|(10^8177207-1)/9}} | ||
| − | |GRRemarks=The {{OEIS|l|A004023}}. | + | |GRRemarks=The {{OEIS|l|A004023}}.<br>Search history see [https://www.ams.org/journals/mcom/2002-71-238/S0025-5718-01-01319-9/S0025-5718-01-01319-9.pdf here]. |
|GRSieve | |GRSieve | ||
}} | }} | ||
| Line 28: | Line 28: | ||
{{HistF|2007-03-26|109297|Paul Bourdelais,Harvey Dubner}} | {{HistF|2007-03-26|109297|Paul Bourdelais,Harvey Dubner}} | ||
{{HistF|2000-10-26|86453|Lew Baxter}} | {{HistF|2000-10-26|86453|Lew Baxter}} | ||
| + | {{HistC|2000|60000|Harvey Dubner}} | ||
{{HistF|1999-09-09|49081|Harvey Dubner}} | {{HistF|1999-09-09|49081|Harvey Dubner}} | ||
| + | {{HistC|1998|45000|Torbjörn Granlund}} | ||
| + | {{HistC|1994|30000|Jeffrey Young}} | ||
| + | {{HistC|1992|20000|Harvey Dubner}} | ||
| + | {{HistC|1985|10000|Harvey Dubner}} | ||
| + | {{HistP|1985|1031|Hugh C. Williams,Harvey Dubner}} | ||
| + | {{HistC|1978|2000|Hugh C. Williams,Eric Seah}} | ||
| + | {{HistF|1978|1031|Hugh C. Williams,Eric Seah}} | ||
Latest revision as of 09:58, 15 April 2024
Current data
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Remarks : |
The sequence A004023 in OEIS. Search history see here. |
Notes
History
- 2023-05-16: Proved prime for n = 86453 by Andreas Enge
- 2022-03-21: Proved prime for n = 49081 by Paul Underwood
- 2021-05-08: Found n = 8177207, Ryan Propper, Serge Batalov
- 2021-04-20: Found n = 5794777, Ryan Propper, Serge Batalov
- 2007-07-11: Found n = 270343, Maksym Voznyy, Anton Budnyy
- 2007-03-26: Found n = 109297, Paul Bourdelais, Harvey Dubner
- 2000-10-26: Found n = 86453, Lew Baxter
- 2000: Checked to n = 60000, Harvey Dubner
- 1999-09-09: Found n = 49081, Harvey Dubner
- 1998: Checked to n = 45000, Torbjörn Granlund
- 1994: Checked to n = 30000, Jeffrey Young
- 1992: Checked to n = 20000, Harvey Dubner
- 1985: Checked to n = 10000, Harvey Dubner
- 1985: Proved prime for n = 1031 by Hugh C. Williams, Harvey Dubner
- 1978: Checked to n = 2000, Hugh C. Williams, Eric Seah
- 1978: Found n = 1031, Hugh C. Williams, Eric Seah
