olymmath

AIME 1993 Problem 9

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Two thousand points are given on a circle. Label one of the points 11. From this point, count 22 points in the clockwise direction and label this point 22. From the point labeled 22, count 33 points in the clockwise direction and label this point 33. (See figure.) Continue this process until the labels 1,2,3…,1993 1,2,3\dots,1993\, are all used. Some of the points on the circle will have more than one label and some points will not have a label. What is the smallest integer that labels the same point as 19931993?

Dataset text AIME 1983 to 2026. Quoted with source.

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