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On the pseudoprimes of the form ax + b

Published online by Cambridge University Press:  24 October 2008

A. Rotkiewicz
Affiliation:
Department of Pure Mathematics, University of Cambridge

Extract

A composite number n is called a pseudoprime if n|2n− 2.

Theorem 1. If a and b are natural numbers such that (a, b) = 1, then there exist infinitely many pseudoprimes of the form ax + b, where x is a natural number.

The proof of this theorem is given by the author in (5). This proof is based on the following two lemmas.

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1967

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References

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