number theory

noun

: the study of the properties of integers
number theoretic adjective
number theorist noun

Examples of number theory in a Sentence

Recent Examples on the Web
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There are scores of results across not just number theory but also geometry and theoretical computer science that the proofs of quasi-Riemann will, in a swift stroke, establish as mathematical truths. — Quanta Magazine, 19 Oct. 2026 More efficient circuits… Anthropic tasked Claude with optimizing eight computational building blocks across chemistry, physics simulation, optimization, number theory, and numerical computing. — Aamir Khollam, Interesting Engineering, 16 Oct. 2026 Less than a month after astonishing the world with its solution to the long-standing Navier-Stokes problem, OpenAI has released 722 maths papers, proving or disproving problems across numerous fields from algebraic geometry to number theory. — Will Barker, TheWeek, 9 Oct. 2026 For more than a century, the problem rested squarely in the realm of number theory. — Joseph Howlett, Scientific American, 6 Aug. 2026 See All Example Sentences for number theory

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of number theory was in 1853

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Cite this Entry

“Number theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/number%20theory. Accessed 23 Oct. 2026.

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