7547

This number is a prime.

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The largest known prime p such that (p^p-1)/(p-1) is also a (probable) prime. Note that (p^p-1)/(p-1) = Cyclotomic(p,p). Found by H. Lifchitz, June 2003. [Noe]

Submitted: 2003-10-15 23:55:49;   Last Modified: 2008-01-30 17:28:00.
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