The book is now available! 431729
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431729 = prime((4*3*1*7*2*9)*(4+3+1+7+2+9)) - (4*3*1*7*2*9) *(4+3+1+7+2+9)). Note that 431729 is the smallest prime with this property. [Firoozbakht]

 

  Submitted: 2004-09-05 11:56:45;   Last Modified: 2008-01-30 11:28:00.


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