7718671

This number is a prime.

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The largest prime that can be expressed as sum of powers with the four prime digits as bases and the four composite digits as exponents, i.e., (2^4+3^6+5^9+7^8). [Loungrides]

Submitted: 2010-12-08 06:11:19;   Last Modified: 2020-12-27 18:14:19.
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