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Erdős problem 678

Write M(n,k)M(n, k) be the least common multiple of {n+1,,n+k}\{n+1, \dotsc, n+k\}. Let kk be sufficiently large. Are there infinitely many m,nm, n with mn+km \geq n + k such that M(n,k)>M(m,k+1) M(n, k) > M(m, k + 1) ? The answer is yes, as proved in a strong form by Cambie [Ca24]. [Ca24] S. Cambie, Resolution of an Erdős' problem on least common multiples. arXiv:2410.09138 (2024).

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