This number is a prime.

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As of 2018, the largest known prime, 2^77232917-1, forms a prime when concatenating all the digits in its form. Note that the sum of all the digits in the form is also a prime. [Sariyar]

Submitted: 2018-05-24 21:05:25;   Last Modified: 2022-03-06 03:27:20.
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