This number is a prime.

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One less than the product of the digits in the digit sequence specifying M48 (2^57885161-1), i.e., 2*5*7*8*8*5*1*6*1*1 - 1, is an emirp. M48 is the largest known Mersenne prime to exhibit this property. [Harrison]

Submitted: 2020-07-25 13:45:27;   Last Modified: 2020-07-25 13:47:42.
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