The book is now available! 10718757
(another Prime Pages' Curiosity)
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10^49 + 10718757 is the smallest 50-digit number m such that 10 m + 1, 10 m + 3, 10 m + 7 & 10 m + 9 are primes. [Firoozbakht]

 

  Submitted: 2004-08-18 00:20:33;   Last Modified: 2008-01-30 11:28:00.



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