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Questions about discrete mathematics, the study of mathematical structures that are fundamentally discrete rather than continuous.

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Faster Algorithm for Computing Norm

Can anyone suggest an algorithm faster than $\Theta(n^{2})$ for computing the following function: $$||n||:=\frac{1}{\max\{k \in \mathbb{N}: 1|n, 2|n,\ldots,k|n\}}$$
Jackson Walters's user avatar