171727482881

This number is a prime.

                                                               17 1727482881

Just showing those entries submitted by 'Post': (Click here to show all)

+ 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]

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell