Etude probabiliste des p-quotients de Fermat
Résumé
For fixed a>1, we suggest that the probability of nullity of the p-Fermat quotient q_p(a) is lower than 1/p for any arbitrary large prime p. For this we propose various heuristics, justified by means of numerical computations and analytical results, which may imply the finiteness of the q_p(a) equal to 0 (Theorem 4.11) and the existence of integers a such that q_p(a)≠ 0 for all p. We show that the density of integers A such that q_p(A) ≠ 0, for all p< x, is about O(1/log(x)) (Theorem 4.13).
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