2004 AIME I Problems/Problem 15: Difference between revisions
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== Solution == | == Solution == | ||
{{solution}} | |||
== See also == | == See also == | ||
* [[2004 AIME I Problems/Problem 14| Previous problem]] | |||
* [[2004 AIME I Problems]] | * [[2004 AIME I Problems]] | ||
Revision as of 01:46, 6 November 2006
Problem
For all positive integers 
let
and define a sequence as follows: 
and 
for all positive integers 
Let 
be the smallest 
such that 
(For example, 
and 
) Let 
be the number of positive integers 
such that 
Find the sum of the distinct prime factors of 
Solution
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