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91019 = 100019 - 10009 + 1009 is a palindromic prime whose digits are not prime. Note that 1009, 10009 and 100019 are the smallest four, five and six-digit primes whose digits are not prime. [Gevisier]

 

  Submitted: 2001-04-04 22:41:38;   Last Modified: 2008-01-30 11:28:00.



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