What does factorial prime mean?
Definitions for factorial prime
fac·to·ri·al prime
This dictionary definitions page includes all the possible meanings, example usage and translations of the word factorial prime.
Wiktionary
factorial primenoun
A prime number that is one more or one less than a factorial. For example, 7 is a factorial prime, since 3! + 1 = 7.
Wikidata
Factorial prime
A factorial prime is a prime number that is one less or one more than a factorial. The first few factorial primes are: n! − 1 is prime for: n! + 1 is prime for: No other factorial primes are known as of May 2013. Absence of primes to both sides of a factorial n! implies a relatively lengthy run of consecutive composite numbers, since n! ± k is divisible by k for 2 ≤ k ≤ n. For example, the next prime following 6227020777 = 13! − 23 is 6227020867 = 13! + 67; here the run is substantially longer than implied merely by the absence of factorial primes. Note that this is not the most efficient way to find large prime gaps. E.g., there are 95 consecutive composites between the primes 360653 and 360749.
Numerology
Chaldean Numerology
The numerical value of factorial prime in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of factorial prime in Pythagorean Numerology is: 2
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"factorial prime." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/factorial+prime>.
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