Geodesic
On the number of nonquadratic residues which are not primitive roots
Florian Luca1 ; P. G. Walsh2
1 Instituto de Matemáticas Universidad Nacional Autónoma de México C.P. 58180, Morelia, Michoacán, México
2 Department of Mathematics University of Ottawa 585 King Eward Street Ottawa, Ontario, Canada
Colloquium Mathematicum, Tome 100 (2004) no. 1, pp. 91-93.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

We show that there exist infinitely many positive integers r not of the form (p−1)/2−ϕ(p−1), thus providing an affirmative answer to a question of Neville Robbins.
DOI : 10.4064/cm100-1-8
Mots-clés : there exist infinitely many positive integers form p phi p providing affirmative answer question neville robbins

Florian Luca 1 ; P. G. Walsh 2

1 Instituto de Matemáticas Universidad Nacional Autónoma de México C.P. 58180, Morelia, Michoacán, México
2 Department of Mathematics University of Ottawa 585 King Eward Street Ottawa, Ontario, Canada 
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Florian Luca; P. G. Walsh. On the number of nonquadratic residues
 which are not primitive roots. Colloquium Mathematicum, Tome 100 (2004) no. 1, pp. 91-93. doi : 10.4064/cm100-1-8. https://geodesic-test.mathdoc.fr/articles/10.4064/cm100-1-8/

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