The book is now available! 190619
(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 4-almost prime, (190619 = 11 x 13 x 31 x 43, whose inverted number, i.e., 619061, is prime. [Loungrides]

 

  Submitted: 2019-02-07 10:36:15;   Last Modified: 2019-04-13 13:40:44.



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