The book is now available! 11939
(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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11939 and 13159 are the first case of two emirps of forms p*q*r-s*t*u and p*q*r+s*t*u where p, q, r, s, t, u are primes formed from the distinct digits, 1 through 9, i.e., 11939=3*47*89-2*5*61, 13159=3*47*89+2*5*61. [Loungrides]


  Submitted: 2013-06-18 09:45:23;   Last Modified: 2018-05-04 07:33:49.

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