The book is now available! 597
(another Prime Pages' Curiosity)
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597 is a semiprime (having exactly 2 prime factors). 597 to 611 is the largest gap between 2 semi-primes less than 1000. [Colucci]


  Submitted: 2005-04-21 01:34:36;   Last Modified: 2008-01-30 11:28:00.

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