The book is now available! 6280
(another Prime Pages' Curiosity)
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6280 = 2^3 * 5 * 157 has a sum of distinct prime factors (2 + 5 + 157 = 164) equal to the sum of the prime factors of the two preceding numbers: 6278 = 2 * 43 * 73 (2 + 43 + 73 = 118); 6279 = 3 * 7 * 13 * 23 (3 + 7 + 13 + 23 = 46); 118 + 46 = 164. [Post]

 

  Submitted: 2009-06-28 01:25:07;   Last Modified: 2009-06-28 07:59:19.



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