IMO Shortlist 2011 problem N2
Dodao/la:
arhiva23. lipnja 2013. Consider a polynomial

where

are nine distinct integers. Prove that there exists an integer

such that for all integers

the number

is divisible by a prime number greater than 20.
Proposed by Luxembourg
%V0
Consider a polynomial $P(x) = \prod^9_{j=1}(x+d_j),$ where $d_1, d_2, \ldots d_9$ are nine distinct integers. Prove that there exists an integer $N,$ such that for all integers $x \geq N$ the number $P(x)$ is divisible by a prime number greater than 20.
Proposed by Luxembourg
Izvor: Međunarodna matematička olimpijada, shortlist 2011