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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

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The smallest prime formed by concatenating two consecutive Lychrel numbers, i.e., 790, 879. Note that the sum and the difference of these Lychrel numbers are also primes, i.e., 790+879 = 1669 and 879-790 = 89. [Loungrides]


  Submitted: 2011-11-21 10:01:15;   Last Modified: 2019-01-22 07:11:33.

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