1099511628401

This number is a prime.

                                                              109 9511628401

+ The largest number ever to be shown prime by Wilson's theorem is 1099511628401. Because the work in finding 1099511628400! (even modulo 1099511628401) is horrendous, this record may stand for a long, long time! [Rupinski]

(There is one curio for this number that has not yet been approved by an editor.)

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