The Hardest Mathematics Problem Ever Asked on the IMO
I'm back, by popular demand, solving some Olympiad exam problems! Unlock the secrets behind one of the most iconic IMO Question 6 problems ever posed. In t...

Ellie Sleightholm
176.5K views • Nov 30, 2025

About this video
I'm back, by popular demand, solving some Olympiad exam problems!
Unlock the secrets behind one of the most iconic IMO Question 6 problems ever posed. In this deep-dive breakdown, we explore the structure, hidden ideas, and elegant techniques that make this problem both feared and admired in the math olympiad world. Whether you're training for the IMO, preparing for national olympiads, or simply curious about high-level problem solving, this video will guide you through the key insights that turn an “impossible” Q6 into a beautifully solvable challenge.
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Video edited by Matilda Andrews ( @ottertalksgames ).
#mathematics #maths #math #olympiad #imo
Subscribers: 114,000
Unlock the secrets behind one of the most iconic IMO Question 6 problems ever posed. In this deep-dive breakdown, we explore the structure, hidden ideas, and elegant techniques that make this problem both feared and admired in the math olympiad world. Whether you're training for the IMO, preparing for national olympiads, or simply curious about high-level problem solving, this video will guide you through the key insights that turn an “impossible” Q6 into a beautifully solvable challenge.
❤️ Support my channel ❤️
👤 Become a Member: https://www.youtube.com/@EllieSleightholm/join
💸 Patreon: https://patreon.com/elliesleightholm
☕️ Buy Me a Coffee: https://buymeacoffee.com/elliesleightholm
🔗 Social Media 🔗
📸 Instagram: https://www.instagram.com/ellieinstem/
🦋 Bluesky: https://bsky.app/profile/elliesleightholm.bsky.social
🎵 TikTok: https://www.tiktok.com/@elliesleightholm?
🐦 Twitter / X: https://x.com/elsleightholm
🎶 Spotify: https://open.spotify.com/user/116282575?si=5kUW8K1ZRvuuZi5fclIiCw
▶️ My Coding YouTube: https://www.youtube.com/codeofthefuture
Video edited by Matilda Andrews ( @ottertalksgames ).
#mathematics #maths #math #olympiad #imo
Subscribers: 114,000
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Video Information
Views
176.5K
Likes
5.7K
Duration
15:56
Published
Nov 30, 2025
User Reviews
4.7
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