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March 4, 2015

March 4, 2015

Posted by **lin** on Friday, July 5, 2013 at 8:20am.

modulo p.

- heeeeeeeelp math -
**exactly**, Sunday, September 22, 2013 at 1:35amI suppose this question isn't live anymore. Anyways next time please don't post brilliant problems (:

Well, here's a few hints for you to work out and be on the right track:

Step 1: quadratic reciprocity and CRT

Step 2: incorporate dirichlet's theorem into this.

Well, you can then see obviously that {3,5,6,7,10,11,12,13,14,17,19,20,22,23,24,26,27,28,29,31}. Now just try to prove that the desired answer is minimal. This is simple. Show that 2 and 3 MUST be quadratic residues.

- heeeeeeeelp math -
**exactly**, Sunday, September 22, 2013 at 1:35amOk to clarify, the show that 2 and 3 must be quadratic residues part is to find the minimal.

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