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“Math Like a Girl” — A Nice EGMO Problem to Test Your Skills
2025 European Girls Mathematical Olympiad — Problem 1
The 2025 European Girls Mathematical Olympiad (EGMO) took place in Kosovo this month. A total of 56 countries sent their top four girls to compete. Despite the name of the contest, none of the top three ranked countries were European!
- China
- United States of America
- Australia
Those familiar with the Math Olympiad scene will know that China and USA regularly battle for top spot. Australia (my country! 😊) has also performed consistently well in the EGMO in recent years.
These were followed by the top three European countries:
4. Italy
5. Poland
6. Germany
This article is about the first problem from this year’s competition, the nice number theory problem shown below. More than half of the competing girls scored full marks for this question. Here is your chance to test your skills!