EGMO 2024/5: Functional equation with GCD's 

Usually when we prime factorize a number we care the base is prime, not the exponent...
Broadcasted at / venhance , runs Friday 8pm ET during school year
Schedule at web.evanchen.cc/videos.html
Come join my students in watching me be dumb on camera, whether it's missing MathCounts questions, misreading shortlist geometry problems, forgetting a Spawning Pool, running Baba into corners, and more!

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