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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)


Two new factors of Fermat numbers

Authors: John C. Hallyburton and John Brillhart
Journal: Math. Comp. 29 (1975), 109-112
MSC: Primary 10-04; Secondary 10A40
Corrigendum: Math. Comp. 30 (1976), 198.
Corrigendum: Math. Comp. 30 (1976), 198.
MathSciNet review: 0369225
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Abstract: A new prime factor is given for each of the Fermat numbers $ {F_{12}}$ and $ {F_{13}}$ (none was previously known for $ {F_{13}}$). The factoring method used and its machine implementation are discussed. A short table of factors and a current status list are also included.

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Additional Information

PII: S 0025-5718(1975)0369225-1
Keywords: Fermat numbers, factoring
Article copyright: © Copyright 1975 American Mathematical Society