Or restated clearly, that the sum of a pair of primes that differ by 2 and are no smaller than 5, 7 is divisible by 12. << Or slightly restated, that the sum of a prime pair no smaller than 5,7 is divisible by 12. On Fri, Feb 27, 2009 at 12:56 PM, Stephen Gray <stevebg@roadrunner.com> wrote:

Try giving the following trivial problem to engineers or other fairly math-savvy people who have no exposure to number-theory thinking.

Show that the number between a prime pair no smaller than 5,7 is divisible by 6 .

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_____________________________________________________________________ "It don't mean a thing if it ain't got that certain je ne sais quoi." --Peter Schickele