Journal of Integer Sequences, Vol. 10 (2007), Article 07.8.6

Cipolla Pseudoprimes

Y. Hamahata and Y. Kokubun
Department of Mathematics
Tokyo University of Science
Noda, Chiba, 278-8510


We consider the pseudoprimes that M. Cipolla constructed. We call such pseudoprimes Cipolla pseudoprimes. In this paper we find infinitely many Lucas and Lehmer pseudoprimes that are analogous to Cipolla pseudoprimes.

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Received July 17 2007; revised version received August 1 2007. Published in Journal of Integer Sequences, August 14 2007.

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