171727482881

This number is a prime.

                                                               17 1727482881

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The largest known elite prime. A prime number p is called "elite" if only a finite number of Fermat numbers are squares modulo p (i.e., are quadratic residues of p). [Post]

Submitted: 2006-08-27 01:24:20;   Last Modified: 2009-02-15 20:17:48.
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