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January 27, 2015

January 27, 2015

Posted by **Jack** on Tuesday, March 26, 2013 at 10:06am.

- Algebra -
**Steve**, Tuesday, March 26, 2013 at 10:41amsince n^2-1 = (n-1)(n+1) we are looking for twin primes

Just look up a list of twin primes, and sum their average (since you want the even number n between n-1 and n+1)

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