almost prime

noun

A natural number for which there exists an absolute constant K such that the number has at most K prime factors.

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Meanings

nounalmost prime (plural almost primes)

plural almost primes

  1. mathematicsA natural number for which there exists an absolute constant K such that the number has at most K prime factors.
adjectivealmost prime (not comparable)
  1. not comparablemathematicsHaving this property.

Translations

German Fastprimzahl
  • Fastprimzahlnatural number with an absolute constant K
Spanish casi primo
  • casi primohaving this property
Cite this entry
APA

almost prime. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/almost%20prime

MLA

“almost prime.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/almost%20prime. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “almost prime,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/almost%20prime.

Source: almost prime on Wiktionary, CC BY-SA 4.0.