Mock AIME 5 2005-2006 Problems/Problem 10

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Problem

Find the smallest positive integer $n$ such that ${2n \choose n}$ is divisible by all the primes between $10$ and $30$.

Solution

Solution

See also

Mock AIME 5 2005-2006 (Problems, Source)
Preceded by
Problem 9
Followed by
Problem 11
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