2

This number is a prime.

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168 is the largest power of the prime 2 whose decimal expansion is free of 2: 2^168 = 374144419156711147060143317175368453031918731001856. Found by Phil Carmody. [Rivera]

Submitted: 2019-06-15 07:56:39;   Last Modified: 2019-08-18 16:51:19.
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