The book is now available! 9929
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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If we eliminate the leading 9, we get the palindromic prime 929. Moreover, 9! + 929 is prime! [Wallrodt]

 

  Submitted: 2019-04-15 12:40:29;   Last Modified: 2019-04-15 13:03:00.



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