Difference between revisions of "Mock AIME 5 2005-2006 Problems/Problem 10"
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== Problem == | == Problem == | ||
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| + | Find the smallest positive integer <math>n</math> such that <math>{2n \choose n}</math> is divisible by all the primes between <math>10</math> and <math>30</math>. | ||
== Solution == | == Solution == | ||
such that 
is divisible by all the primes between 
and 
.
