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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The largest integer such that the average number of triangular numbers required to express the integers less than or equal to it is exactly two. [Rupinski]

 

  Submitted: 2003-01-09 10:17:07;   Last Modified: 2008-01-30 11:28:00.



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