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MathNet 2008-part-01 — 165 problems (EN–VI) Question 30

Math Olympiad Vault · MathNet 2008-part-01 — 165 problems (EN–VI)

Question 30

Find the smallest positive integer $N$ that satisfies the following two conditions:
* $N$ has at least two distinct prime factors.
* For any prime factors $p$ and $q$ of $N$, with $p$ different from $q$, the sum $p+q$ divides $N$.