The book is now available! 619
(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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619 = prime(6*19). The largest zerofree prime p such that pi(p) is the product of the first digit of p and the rest of the number. [Firoozbakht]


  Submitted: 2009-10-14 13:13:24;   Last Modified: 2009-10-14 22:29:00.

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