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Old 2020-03-27, 09:35   #23
KEP
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May 2005

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Quote:
Originally Posted by LaurV View Post
Sorry for waking up this old thread, but I didn't want to create a new one, and the subject of the current one seems suitable for my silly question:


Why 81 was chosen as the conjectured k for Riesel base 1024?
The covering set for k=81 is (5 and 41) and there is a few notes on this site: http://www.noprimeleftbehind.net/cru...es-powers2.htm wich may mean something to you. But I recon that the remaining single k does not have a covering set and therefor does not meet the demand for being a conjectured k
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