This number is a prime.

                                                           206707 8579454279

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The prime number 2067078579454279 can be written as the sum of the terms (1/5)*k!*k^(k-1) for k=1,2,3,...,11, where k is an integer. [Sandri]

Submitted: 2005-05-25 10:01:17;   Last Modified: 2008-01-30 17:28:00.
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