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SOLUTIONS TO A LEBESGUE–NAGELL EQUATION
Published online by Cambridge University Press: 24 May 2021
Abstract
We find all integer solutions to the equation $x^2+5^a\cdot 13^b\cdot 17^c=y^n$ with $a,\,b,\,c\geq 0$ , $n\geq 3$ , $x,\,y>0$ and $\gcd (x,\,y)=1$ . Our proof uses a deep result about primitive divisors of Lucas sequences in combination with elementary number theory and computer search.
MSC classification
- Type
- Research Article
- Information
- Bulletin of the Australian Mathematical Society , Volume 105 , Issue 1 , February 2022 , pp. 19 - 30
- Copyright
- © 2021 Australian Mathematical Publishing Association Inc.
Footnotes
The author is partially supported by the Vietnam Institute for Advanced Study in Mathematics (VIASM) and the Vietnam National Foundation for Science and Technology Development (NAFOSTED) (grant number 101.04-2019.314).