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number theory

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noun Mathematics.
the study of integers and their relation to one another.
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Also called theory of numbers.

Origin of number theory

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use number theory in a sentence

British Dictionary definitions for number theory

number theory

noun
the study of integers, their properties, and the relationship between integers
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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