The book is now available! 680189
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The smallest invertible prime containing all the invertible digits that is the hypotenuse of a Pythagorean triangle, i.e., (468939^2+492700^2=680189^2). Curiously, 680189 is also expressible as the sum of two squares (758^2+325^2). [Bajpai]


  Submitted: 2018-11-27 19:48:11;   Last Modified: 2018-11-28 06:34:46.

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