24120Re: [PrimeNumbers] Re: 13-chains of consecutive smooth numbers
- Mar 5, 2012Andrey,
I can't use that file, I don't have XL. Any chance
of a text export? eg comma-separated fields
From: Andrey Kulsha <Andrey_601@...>
Sent: Tuesday, 6 March 2012, 6:28
Subject: [PrimeNumbers] Re: 13-chains of consecutive smooth numbers
> Andrey's chain puzzle is interesting. Could itNo, I think that log/log ratio has no limit.
> be he already has found the maximum possible
> result for chain length 13?
> Perhaps the 14-chain at N = 4532039198639948Brute force search yielded:
> might be a good result? What are the best known
> results for 14 or longer chains?
N = 505756884840 for 14-chain
N = 285377140980 for 15-chain
N = 32290958458 for 16-chain
as listed in http://www.primefan.ru/stuff/math/maxs.xls
(there k+1 is chain length)
[Non-text portions of this message have been removed]
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