2003 AIME I Problems/Problem 1
Problem
Given that
![$\frac{((3!)!)!}{3!} = k \cdot n!,$](http://latex.artofproblemsolving.com/d/2/9/d29e6d13e0d8b213ee70519a8250268a6a19a4c1.png)
where and
are positive integers and
is as large as possible, find
Solution
We use the definition of a factorial to get
![$\frac{((3!)!)!}{3!} = \frac{(6!)!}{3!} = \frac{720!}{3!} = \frac{720!}{6} = \frac{720 \cdot 719!}{6} = 120 \cdot 719! = k \cdot n!$](http://latex.artofproblemsolving.com/1/f/c/1fceb00dfff187998b6486b198e21a28c7d216a3.png)
Therefore:
Given that
where and
are positive integers and
is as large as possible, find
We use the definition of a factorial to get
Therefore:
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