Fibonacci numbers containing a quadratic factor (Q2743088)
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scientific article; zbMATH DE number 1651068
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Fibonacci numbers containing a quadratic factor |
scientific article; zbMATH DE number 1651068 |
Statements
24 September 2001
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Fibonacci number
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square number
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Fibonacci numbers containing a quadratic factor (English)
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In this paper the author gives a result when a Fibonacci number is of the form of \(5x^2\) or \(7x^2\) by an elementary method, which are two simple cases of known results of \textit{N. Robbins} [Fibonacci Q. 28, 306-315 (1990; Zbl 0728.11013)]. In his paper, Robbins had found out all Fibonacci numbers of the form \(cx^2\) with \(c\) not exceeding 1000.
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