This number is a composite.
Single Curio View: (Seek other curios for this number)The prime number 21480!-1 was discovered by Davis and Kuosa with the PrimeForm project. It is a factorial minus one prime. [Dobb]
Submitted: 2002-04-15 15:59:08; Last Modified: 2008-01-30 11:28:00.
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