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The largest prime factor of 666 is 37. Written in Roman Numerals it reads "DCLXVI" which is the 6 smallest Roman Numerals in sequence. If you add together the numerical position on the English alphabet of each of these letters, the largest prime factor of the sum is also 37. [Schuler]


  Submitted: 2003-11-15 15:22:27;   Last Modified: 2008-01-30 11:28:00.

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