Erdős problem 672 · problems.science

Can the product of an arithmetic progression of positive integers $n, n + d, ..., n + (k - 1)d$ of length ≥ 4, with $(n, d) = 1$ , be a perfect power?

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3 retained statements2415f78e850a

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FormalConjectures/ErdosProblems/

672.lean

Retained formal statement3 of 3

According to https://www.erdosproblems.com/672, Obláth proved this.

[Ob51] Oblath, Richard, Eine Bemerkung über Produkte aufeinander folgender Zahlen. J. Indian Math. Soc. (N.S.) (1951), 135-139.

FormalConjectures/ErdosProblems/672.leanErdos672.erdos_672.variants.oblath1 lineExact file

1Erdos672.Erdos672With 5 2 ∧ Erdos672.Erdos672With 3 3 ∧ Erdos672.Erdos672With 3 4 ∧ Erdos672.Erdos672With 3 5

SolvedStatement only, no proof

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