5

This number is a prime.

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Eugen J. Ionascu and collaborators were the first to establish that there can be no more than 5 Heron triangles (i.e., integer-sided triangles with integral areas) with two fixed prime sides. [Beedassy]

Submitted: 2007-11-29 09:20:02;   Last Modified: 2014-08-09 15:36:39.
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