This number is a prime.

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The prime p that divides the alternating factorial series n! - (n-1)! + (n-2)! - ... 1! for all n equal to p and beyond (Miodrag Zivkovic, 1999). [Beedassy]

Submitted: 2009-06-19 16:02:17;   Last Modified: 2009-06-19 16:15:52.
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