Meanings
nounprimorial prime (plural primorial primes)
plural primorial primes
- mathematicsA prime number that is one more or one less than a primorial. For example, 31 is a primorial prime, since 6# + 1 = 31.
Origin
Blend of prime + factorial prime, equivalent to primorial + prime
Full word history & related roots →Cite this entry
APA
primorial prime. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/primorial%20prime
MLA
“primorial prime.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/primorial%20prime. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “primorial prime,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/primorial%20prime.
Source: primorial prime on Wiktionary, CC BY-SA 4.0.