primality

noun

pri·​mal·​i·​ty prī-ˈma-lə-tē How to pronounce primality (audio)
: the property of being a prime number

Examples of primality in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Finding prime numbers is well-studied, and in this case Gedanke used a method called Baillie-PSW primality testing. — Dave Linkletter, Popular Mechanics, 9 Aug. 2019 Rahul Santhanam, University of Oxford The first primality tests using randomized algorithms (based on refinements to Fermat’s little theorem) ushered in a new era. — Ben Brubaker, Quanta Magazine, 3 Apr. 2023 The next day, an NVIDIA H100 in San Antonio confirmed the finding with a primality test called the Lucas-Lehmer test, per the statement. — Margherita Bassi, Smithsonian Magazine, 23 Oct. 2024

Word History

Etymology

prime entry 1 + -al entry 1 + -ity

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of primality was in 1908

Rhymes for primality

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Browse Nearby Words

primal cut
primality
primal scream
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Cite this Entry

“Primality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/primality. Accessed 7 Jul. 2026.

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