On a problem of A. Rotkiewicz
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- by Péter Kiss and Bui Minh Phong PDF
- Math. Comp. 48 (1987), 751-755 Request permission
Abstract:
For any fixed positive integers a, $k \geqslant 2$ there are infinitely many composite integers n such that ${a^{n - k}} \equiv 1\;(\bmod n)$.References
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Additional Information
- © Copyright 1987 American Mathematical Society
- Journal: Math. Comp. 48 (1987), 751-755
- MSC: Primary 11A51; Secondary 11A05
- DOI: https://doi.org/10.1090/S0025-5718-1987-0878704-8
- MathSciNet review: 878704