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Factorial primes are primes of the form n!+/-1.

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Deficient factorials - Deficient Factorials - A summary of all known searches for primes of the form n!/k+-1 (with k>1), n!/k!+-1 (k>3) and n!/n#+-1.
(Added: 23-Aug-2000 Hits: 633 Rating: 0 Votes: 0) Rate It
Factorial Prime -- from Eric Weisstein's World of Mathematics - Definition and references
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Search of the next prime of the forms n!+1 & n!-1. - The purpose of this page is to coordinate effort to search for the next prime of the forms n!+1 & n!-1. Join in or check the status!
(Added: 23-Aug-2000 Hits: 645 Rating: 1.00 Votes: 1) Rate It
The Prime Glossary's: primorial prime - Current records for these two forms.
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The top 20 Factorial Primes - The twenty largest known factorial primes, updated daily.
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