16901...83217 (2605-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

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As of 2004, the largest known prime of form a^b-b^a (883^884-884^883). [Pfoertner]

Submitted: 2018-02-20 23:53:01; Last Modified: 2018-02-20 23:56:01.