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Euler's phi-function

See more synonyms for Euler's phi-function on Thesaurus.com
noun Mathematics.
  1. the function that assigns to each integer the number of positive integers less than the given integer and relatively prime to the given integer.
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Origin of Euler's phi-function

named after L. Euler
Also called phi-function.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018