prime number

noun

: any integer other than 0 or ± 1 that is not divisible without remainder by any other integers except ± 1 and ± the integer itself

Examples of prime number in a Sentence

Recent Examples on the Web In theory, such complicated and lengthy prime numbers may have their use in cryptographic algorithms for enhanced cybersecurity. Andrew Paul, Popular Science, 24 Oct. 2024 For example, the prime number three is two squared, minus one. Margherita Bassi, Smithsonian Magazine, 23 Oct. 2024 The topics of fashion, art, design, film, color, prime numbers, and photography supercharge her. Virginia Heffernan, WIRED, 17 Oct. 2024 One calculation that a quantum computer can solve instantly is factoring the product of two prime numbers. Anand Oswal, Forbes, 16 Oct. 2024 See all Example Sentences for prime number 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'prime number.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

translation of Late Latin prīmus numerus, translation of Greek prôtos arithmós

First Known Use

1570, in the meaning defined above

Time Traveler
The first known use of prime number was in 1570

Dictionary Entries Near prime number

Cite this Entry

“Prime number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prime%20number. Accessed 31 Oct. 2024.

Kids Definition

prime number

noun
: a whole number other than 0 or ±1 that is not divisible without a remainder by any other whole numbers except ±1 and ± itself

More from Merriam-Webster on prime number

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