factorial prime

noun

A prime number that is one more or one less than a factorial. For example, 7 is a factorial prime, since 3! + 1 = 7.

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Meanings

nounfactorial prime (plural factorial primes)

plural factorial primes

  1. mathematicsA prime number that is one more or one less than a factorial. For example, 7 is a factorial prime, since 3! + 1 = 7.

Translations

German Fakultätsprimzahl
  • Fakultätsprimzahlprime number one more or less than a factorial
Turkish faktöriyel asal
  • faktöriyel asalprime number one more or less than a factorial
Cite this entry
APA

factorial prime. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/factorial%20prime

MLA

“factorial prime.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/factorial%20prime. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “factorial prime,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/factorial%20prime.

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