This number is a prime.

                                                    49 4372741175 4159833089

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The largest of only four non-titanic primes of form p*2^(p-1)+1, where p is prime, (case p=67). The previous such primes are 5, 13, 449. [Loungrides]

Submitted: 2012-08-06 18:16:20;   Last Modified: 2020-05-28 23:26:37.
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