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 11:19:39; Last Modified: 2018-12-25 14:15:30.
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