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On the primality of $ k!+1$ and $ 2\ast 3$ $ \ast 5\ast \cdots \ast \,p+1$

Author: Mark Templer
Journal: Math. Comp. 34 (1980), 303-304
MSC: Primary 10A25; Secondary 10-04
MathSciNet review: 551306
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Abstract: In this paper the results of an investigation of $ k! + 1$ and $ 2 \ast 3 \ast 5 \ast \cdots \ast p + 1$ are reported. Values of $ k = 1(1)230$ and $ 2 \leqslant p \leqslant 1031$ were investigated. Five new primes were discovered.

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Keywords: Pseudoprimality (psp), Euler's criterion
Article copyright: © Copyright 1980 American Mathematical Society

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