This number is a prime.

                                                        222324343 5546756677

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The smallest prime concatenated from the first n nonzero values of the number of primes between n^2 and (n+1)^2 (case n=21). [Post]

Submitted: 2009-12-09 17:10:01;   Last Modified: 2009-12-09 21:15:58.
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