6568408355712890627

This number is a prime.

                                                        656840835 5712890627

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The only prime p less than a googol of form p=x^(x+1)+2, where x is a composite number, (case x=15, i.e., p=15^16+2). [Loungrides]

Submitted: 2011-05-14 06:19:39;   Last Modified: 2018-12-25 08:15:30.
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