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87.53 But which one is it?

Published online by Cambridge University Press:  01 August 2016

Martin Griffiths*
Affiliation:
Colchester County High School for Girls, Norman Way, Colchester CO3 3US

Abstract

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Type
Notes
Copyright
Copyright © The Mathematical Association 2003

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References

1. Burton, David M., Elementary number theory, McGraw-Hill (1998).Google Scholar
2. Brillhart, J., Lehmer, D.H. and Selfridge, J.L., New primality criteria and factorisations of 2m ± 1, Math. Comp. 29 (1975).Google Scholar
3. Problem 86.A, Math. Gaz. 86 (March 2002), p. 146.Google Scholar