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Neither 7 (the number of days in a week) nor 31 (the most frequent number of days in a month) are prime factors of 365 (the most frequent number of days in a year). Instead, its prime factors are 5 and 73, numbers which don't appear as part of any cycle in the Gregorian calendar. [Raffill]

 

  Submitted: 2004-09-02 22:04:25;   Last Modified: 2008-01-30 11:28:00.



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