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The smallest number that can be written in two ways as the sum of a set of four distinct primes such that the sum of any three in either set is prime: {5, 11, 13, 43} and {11, 13, 19, 29}. [Honaker , Noe , Porter]

 

  Submitted: 2013-04-07 12:09:05;   Last Modified: 2013-04-08 15:16:41.



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