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Pandigital prime sets

Problem 118

Published on 24 March 2006 at 06:00 pm [Server Time]

Using all of the digits 1 through 9 and concatenating them freely to form decimal integers, different sets can be formed. Interestingly with the set {2,5,47,89,631}, all of the elements belonging to it are prime.

How many distinct sets containing each of the digits one through nine exactly once contain only prime elements?


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