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NOTE ON LEHMER–PIERCE SEQUENCES WITH THE SAME PRIME DIVISORS

Part of: Sequences and sets Elementary number theory

Published online by Cambridge University Press:  04 October 2017

M. SKAŁBA Open the ORCID record for M. SKAŁBA [Opens in a new window]
M. SKAŁBA*
Affiliation:
Institute of Mathematics, University of Warsaw, Banacha 2, 02-097 Warszawa, Poland email skalba@mimuw.edu.pl
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Abstract

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Let $a_{1},a_{2},\ldots ,a_{m}$ and $b_{1},b_{2},\ldots ,b_{l}$ be two sequences of pairwise distinct positive integers greater than $1$. Assume also that none of the above numbers is a perfect power. If for each positive integer $n$ and prime number $p$ the number $\prod _{i=1}^{m}(1-a_{i}^{n})$ is divisible by $p$ if and only if the number $\prod _{j=1}^{l}(1-b_{j}^{n})$ is divisible by $p$, then $m=l$ and $\{a_{1},a_{2},\ldots ,a_{m}\}=\{b_{1},b_{2},\ldots ,b_{l}\}$.

Keywords

Lehmer–Pierce sequencespower residues

MSC classification

Primary: 11B50: Sequences (mod $m$)
Secondary: 11A15: Power residues, reciprocity
Type
Research Article
Information
Bulletin of the Australian Mathematical Society , Volume 97 , Issue 1 , February 2018 , pp. 11 - 14
Copyright
© 2017 Australian Mathematical Publishing Association Inc. 

References

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