The book is now available! 6247
(another Prime Pages' Curiosity)
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The smallest prime which is sum of composite numbers written with the first primes repeated twice for each term, i.e., 6247 = 22 + 33 + 55 + 77 + 1111 + 1313 + 1717 + 1919. [Capelle]

 

  Submitted: 2003-07-13 04:48:59;   Last Modified: 2008-01-30 11:28:00.



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