This number is a prime.

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The largest prime of form |a^b - c^d|, where the bases are prime and the exponents are composite digits, i.e., 7^8-2^9. Note that it is a distinct-digit prime. [Loungrides]

Submitted: 2016-04-29 03:33:05;   Last Modified: 2018-05-27 11:08:33.
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