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When can 101010...1 be prime? Putnam exam 1989
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You, me, and my first International Math Olympiad problem
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Germany Math Olympiad, a system of cubic equations
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The Return of the Legend of Question Six - Numberphile
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Vieta Jumping and Problem 6 | Animated Proof
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believe in the math, not wolframalpha
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Imaginary numbers aren't imaginary
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