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

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An invertible prime formed from the concatenation of the first n positive strobogrammatic numbers, i.e., 1, 8, and 11. Can you find the next one? [Honaker]


  Submitted: 2018-03-02 20:03:39;   Last Modified: 2018-03-03 09:57:52.

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