IMO-2000-5

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Tahmid Hasan
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IMO-2000-5

Unread post by Tahmid Hasan » Sun Mar 11, 2012 11:44 am

Does there exist a positive integer $n$ such that $n$ has exactly $2000$ prime divisors and $n$ divides $2^n+1$?
hint:i think LTE would help. :idea:
বড় ভালবাসি তোমায়,মা
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