The book is now available! 263
(another Prime Pages' Curiosity)
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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The number of digits in 263!2 (double factorial). Note that 263 is the only prime with this property. [Firoozbakht]


  Submitted: 2004-10-13 10:01:47;   Last Modified: 2008-02-26 15:53:06.

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