On the congruence 2ⁿ⁻²≡1( )

There exist infinitely many positive integers n such that 2 n − 2 ≡ 1 ( mod n ) {2^{n - 2}} \equiv 1\;\pmod n .

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Bibliographic Details
Published in:Mathematics of computation 1984-01, Vol.43 (167), p.271-272
Main Author: Rotkiewicz, A.
Format: Article
Language:English
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Summary:There exist infinitely many positive integers n such that 2 n − 2 ≡ 1 ( mod n ) {2^{n - 2}} \equiv 1\;\pmod n .
ISSN:0025-5718
1088-6842
DOI:10.1090/S0025-5718-1984-0744937-1