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The simplest math problem no one can solve

Lesson created by Lauren McAlpine using TED-Ed's lesson creatorVideo from Veritasium YouTube channel

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The Collatz Conjecture is the simplest math problem no one can solve — it is easy enough for almost anyone to understand but notoriously difficult to solve. So what is the Collatz Conjecture and what makes it so difficult? Veritasium investigates. 

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