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        riddles >> medium >> A question from IMO 2008
        
(Message started by: wonderful on Jul 16th, 2008, 2:40pm)
Title: A question from IMO 2008
Post by wonderful on Jul 16th, 2008, 2:40pm
Prove that there are infinitely many positive integers  n  such that  n^2 + 1  has a prime divisor greater than 2n+ sqrt(2n).

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