Difference between revisions of "1983 AIME Problems/Problem 8"
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== See also == | == See also == |
Revision as of 21:51, 1 February 2007
Problem
What is the largest 2-digit prime factor of the integer ?
Solution
Expanding the binomial coefficient, we get .
Therefore, our two digit prime must satisfy
. The largest such prime is
, which is our answer.
1983 AIME (Problems • Answer Key • Resources) | ||
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