Warning: Private methods cannot be final as they are never overridden by other classes in /customers/3/4/c/rieselprime.de/httpd.www/z/includes/actions/Action.php on line 67 Generalized Cullen primes of the form n•15n+1 - Prime-Wiki

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Generalized Cullen primes of the form `n`•15ⁿ+1

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Revision as of 23:05, 29 April 2023 by Karbon (talk | contribs) (n=551878&corr.)

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Reserved! This sequence is currently reserved by: Ryan Propper

Current data

Base :	15
Count :	10
Max `n` :	200,000
Date :	2023-04-28
Reserved :	Ryan PropperRyan Propper/Reserved

8, 14, 44, 154, 274, 694, 17426, 59430^[1], 451554, 551878

Notes

↑ Proth 3962•15⁵⁹⁴³¹+1

History

2023-04-28: Found n = 551878, Ryan Propper
2023-04-28: Found n = 451554, Ryan Propper
2023-04-28: Reserved by Ryan Propper upto n=1500000
2023-04-24: Checked n = 100001-200000, Mark Rodenkirch, released
2023-04-17: Checked n = 2-100000, Mark Rodenkirch, double-checked
2023-04-01: Reserved by Mark Rodenkirch
?: Checked to n = 136149, (?)
2001-10-05: Found n = 59430, Günter Löh
2000-07-05: Found n = 17426, Günter Löh

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