Erdős problem 402Prove that, for any finite set A⊂NA\subset\mathbb{N}, there exist a,b∈Aa, b\in A such that gcd(a,b)≤a/∣A∣. \gcd(a, b)\leq a/|A|. WorkspaceContinue locallyOpen sourceSign in to contributeOpen this exact Problem, source revision, and authority Repository in Workbench. This handoff does not clone, switch, upload, or execute anything.FilesErdős problem 4024 retained source recordsCanvaspublic previewSource#402→ResultNone→Checks0