The book is now available! 43
(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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4^4 - 3^3 is a prime with length pi(pi(pi(43))). Note there is only one prime (43) and one composite number with this property. [Firoozbakht]


  Submitted: 2004-11-11 11:25:46;   Last Modified: 2008-01-30 11:28:00.

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