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The least n such that n-2, n-1, n, n+1, and n+2 are each 3-almost primes: 602 = 2 * 7 * 43, 603 = 3^2 * 67, 604 = 2^2 * 151, 605 = 5 * 11^2, and 606 = 2 * 3 * 101. [Post]

 

  Submitted: 2009-03-22 23:15:26;   Last Modified: 2009-03-23 14:15:57.



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