On the factorization of Lucas numbers (Q2735215)

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scientific article; zbMATH DE number 1640207
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On the factorization of Lucas numbers
scientific article; zbMATH DE number 1640207

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    3 September 2002
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    Lucas numbers
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    factorization
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    On the factorization of Lucas numbers (English)
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    Let \(L_n= r(r+k)\), where \(L_n\) denotes the \(n\)th Lucas number. The author shows that for a given value of \(k\), there are at most finitely many corresponding values of \(n\). He also finds upper bounds for \(n\) in terms of \(k\) when \(k\) belongs to any one of eight congruence classes \((\operatorname {mod}25)\).
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