# 209173

This number is a prime.

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The start of the longest known chain of super magic primes,
i.e., with each of its subsets having a distinct prime average
(209173, 322573, 536773, 1217893, 2484733), although the
Green-Tao theorem predicts the inexistence of an upper
bound to the length of such chains. [Beedassy]
Submitted: 2010-04-09 12:44:14; Last Modified: 2020-01-19 15:18:39.

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