773473

This number is a prime.

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7^7 - 6^6 - 5^5 - 4^4 - 3^3 - 2^2 - 1^1 - 0^0 is prime, if we allow 0^0 = 1. [Tolgede]

Submitted: 2019-04-01 08:30:04; Last Modified: 2019-04-05 14:57:39.