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In which non-trivial calendar year must a man be born, who lives no more than 100 years, in order that both his age and the calendar year are never simultaneously prime numbers? Answer: In the year 5246. This is the earliest year this happens. [Rivera]


  Submitted: 2003-05-26 11:58:56;   Last Modified: 2008-01-30 11:28:00.

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