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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.


Primes of the form $n!\pm 1$ and $2\cdot 3\cdot 5\cdots p\pm 1$
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by J. P. Buhler, R. E. Crandall and M. A. Penk PDF
Math. Comp. 38 (1982), 639-643 Request permission

Corrigendum: Math. Comp. 40 (1983), 727.
Corrigendum: Math. Comp. 40 (1983), 727.


All primes less than ${10^{1000}}$ of the form $n! \pm 1$ or $2 \cdot 3 \cdot 5 \cdots p \pm 1$ are determined. Results of Brillhart, Lehmer, and Selfridge are used together with a fast algorithm that applies to primality tests of integers N for which many factors of $N \pm 1$ are known.
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Additional Information
  • © Copyright 1982 American Mathematical Society
  • Journal: Math. Comp. 38 (1982), 639-643
  • MSC: Primary 10A25; Secondary 10A10
  • DOI:
  • MathSciNet review: 645679