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Mathematics of Computation

Published by the American Mathematical Society since 1960 (published as Mathematical Tables and other Aids to Computation 1943-1959), Mathematics of Computation is devoted to research articles of the highest quality in computational mathematics.

ISSN 1088-6842 (online) ISSN 0025-5718 (print)

The 2020 MCQ for Mathematics of Computation is 1.78.

What is MCQ? The Mathematical Citation Quotient (MCQ) measures journal impact by looking at citations over a five-year period. Subscribers to MathSciNet may click through for more detailed information.

 

On a conjecture of Erdos and Stewart
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by Florian Luca PDF
Math. Comp. 70 (2001), 893-896 Request permission

Abstract:

For any $k\ge 1$, let $p_k$ be the $k$th prime number. In this paper, we confirm a conjecture of Erdős and Stewart concerning all the solutions of the diophantine equation $n!+1=p^a_kp^b_{k+1}$, when $p_{k-1}\le n<p_k$.
References
  • Y. Bugeaud and M. Laurent, Minoration effective de la distance $p$-adique entre puissances de nombres algébriques, J. Number Theory 61 (1996), no. 2, 311–342 (French, with English summary). MR 1423057, DOI 10.1006/jnth.1996.0152
  • P. Erdős & R. Obláth, Über diophantische Gleichungen der Form $n!=x^p\pm y^p$ und $n!\pm m!=x^p$, Acta Szeged 8 (1937), 241–255.
  • Richard K. Guy, Unsolved problems in number theory, 2nd ed., Problem Books in Mathematics, Springer-Verlag, New York, 1994. Unsolved Problems in Intuitive Mathematics, I. MR 1299330, DOI 10.1007/978-1-4899-3585-4
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Additional Information
  • Florian Luca
  • Affiliation: Mathematical Institute, Czech Academy of Sciences, Z̆itná 25, 115 67 Praha 1, Czech Republic
  • MR Author ID: 630217
  • Email: luca@math.cas.cz
  • Received by editor(s): January 4, 1999
  • Published electronically: March 8, 2000
  • © Copyright 2000 American Mathematical Society
  • Journal: Math. Comp. 70 (2001), 893-896
  • MSC (2000): Primary 11D61
  • DOI: https://doi.org/10.1090/S0025-5718-00-01178-9
  • MathSciNet review: 1677411