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113 is the smallest prime such that the sum of the squares of the digits (11) is prime and the product of the digits (3) is also prime. Note that the concatenation of the two prime values (11 and 3) gives the prime number 113. [Capelle]

 

  Submitted: 2005-06-25 20:17:26;   Last Modified: 2008-01-30 11:28:00.



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