Elsevier

Discrete Mathematics

Volume 149, Issues 1–3, 22 February 1996, Pages 313-317
Discrete Mathematics

Note
Coprimes in blocks of successive integers

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Abstract

Is it possible to find in every run of n successive positive integers an integer which is coprime with each of the other n-1? It is shown that the answer is affirmative if n ⩽ 16 but negative when n = 17.

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