22059819805104914321

This number is a prime.

                                                       2205981980 5104914321

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Prime basenumber p of a palindromic heptagonal of length 40 {p(5p - 3)/2 = 1216589124584247550110557424854219856121}. [De Geest]

Submitted: 2008-01-24 01:24:05;   Last Modified: 2008-01-30 17:28:00.
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