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

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The sum of all multidigit composite repdigit numbers less than a thousand, i.e., 22+33+44+55+66+77+88+99+111+222+333+444+555+666+777+888+999. [Loungrides]


  Submitted: 2016-07-22 12:57:29;   Last Modified: 2016-07-22 23:55:40.

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