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A Note on Giuga's Conjecture |
Canad. Math. Bull. 50(2007), 158-160
Published:2007-03-01
Printed: Mar 2007
Printed: Mar 2007
- Vicentiu Tipu
Abstract
Let $G(X)$ denote the number of positive composite integers $n$
satisfying $\sum_{j=1}^{n-1}j^{n-1}\equiv -1 \tmod{n}$.
Then $G(X)\ll X^{1/2}\log X$ for sufficiently large $X$.
| MSC Classifications: | 11A51 - Factorization; primality |