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Primes in arithmetic progression (Posted on 2008-09-30) Difficulty: 3 of 5
Ten primes, each less than 3000, form an arithmetic progression. Find them.

See The Solution Submitted by pcbouhid    
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re: Interesting | Comment 5 of 9 |
(In reply to Interesting by Leming)

There´s a proof that there do not exist eleven primes, all less than 20,000, which can form an AP.
  Posted by pcbouhid on 2008-09-30 17:20:34

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