1657688103077659

This number is a prime.

165768 8103077659

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One more than the product of the exponent and the digital length of Mersenne prime M49, i.e., 74207281*22338618 + 1, is an emirp. [Harrison]

Submitted: 2020-08-20 16:39:02; Last Modified: 2020-08-20 17:22:42.