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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43 = 4*prime(4) + 3*prime(3). Note that 43 is the earliest number with this property. There are only two such numbers and both are primes. [Firoozbakht]


  Submitted: 2004-09-01 11:20:59;   Last Modified: 2008-01-30 11:28:00.

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