Research notes on every problem, and a library of the papers behind them. Built from the open erdos repository.
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Claim. J. Jiménez-Urroz, A note on a conjecture of Erdős and Rosenfeld, J. Number Theory 78 (1999), no. 1, 140--143, proves that for every positive integer there is a set of positive integers with , as the zbMATH review of the paper states it. With this answers [[problems/divisors/E0885/_index|Problem 885]] yes for , and it raises the two shared values of Erdős and Rosenfeld's Proposition 3.2 (claim page) to three for every . The page is dated by the September 1999 issue.
Covers. The instance .
Depends on. No page of this wiki.
Acceptance. Refereed: Journal of Number Theory. The site labels the problem OPEN, so its commentary crediting the paper is not acceptance.