7547

This number is a prime.

Single Curio View: (Seek other curios for this number)

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.