Florian Luca, Michal KΕΔ±ΜΕΎek
Abstract
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In this note, we show that if n n is a positive integer satisfying the congruence n 2 β‘ 1 ( m o d Ο 2 ( n ) ) n^{2}\equiv 1~ (mod~\phi ^{2}(n)) , then n β€ 3 n\le 3 .
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In this note, we show that if n n is a positive integer satisfying the congruence n 2 β‘ 1 ( m o d Ο 2 ( n ) ) n^{2}\equiv 1~ (mod~\phi ^{2}(n)) , then n β€ 3 n\le 3 .
Key concepts: Congruence (geometry), Mathematics, Geometry