The book is now available! 1621
(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 prime whose the reversal is a brilliant number equal to the product of two double-digit emirps, i.e., R(1621)=1261=13*97. Can you find the only other such prime? [Loungrides]

 

  Submitted: 2010-07-08 07:23:47;   Last Modified: 2017-12-30 10:59:32.



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