CollapseProblem 389Is it true that for every n≥1n\geq 1n≥1 there is a kkk such that n(n+1)⋯(n+k−1)∣(n+k)⋯(n+2k−1)?n(n+1)\cdots(n+k-1)\mid (n+k)\cdots (n+2k-1)?n(n+1)⋯(n+k−1)∣(n+k)⋯(n+2k−1)?Source: erdosproblems.com/389Number theoryWiki pageStatusOpenNo claim settles this problem.