The book is now available! 883
(another Prime Pages' Curiosity)
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883 remains prime when 2 is subtracted from any of its digits, i.e., 683, 863, 881 are primes. Can you find a larger prime with the same property? [Loungrides]

 

  Submitted: 2013-07-22 23:00:52;   Last Modified: 2016-08-04 12:45:22.



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