This number is a prime.

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2^107*107!-1 is the largest non-titanic prime of form 2^p*p!-1 where p is a prime. This says that the product of first 107 positive even numbers minus 1 is prime, i.e., 2*4*6*...*210*212*214-1. [Loungrides]

Submitted: 2016-06-20 11:50:56;   Last Modified: 2019-08-30 06:55:08.
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