# 6521

This number is a prime.

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The largest prime from a cyclic permutation on a side of the prime cube, i.e., the unique arrangement (ignoring rotations or reflections) of eight consecutive digits on a cube's vertices such that any two adjacent digits of an edge sum to a prime. [Beedassy]
Submitted: 2008-11-24 09:48:10; Last Modified: 2014-08-09 15:26:00.

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