211049

This number is a prime.

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The smallest first member of a twin primes pair (a,b) such that (a+b) +/- 1 is a second twin primes pair (c,d) such that (c+d) +/- 1 is a third twin primes pair (e,f). [De Geest]

Submitted: 2002-08-31 13:35:09;   Last Modified: 2009-08-03 19:36:58.
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