13320...59457 (1000-digits)

This number is a prime.

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406²⁸⁹ + 289⁴⁰⁶ is the smallest titanic prime of the form a^b + b^a, if a and b are each greater than 1. [Kulsha]

Submitted: 2001-01-23 20:49:25; Last Modified: 2008-01-30 17:28:00.