Yahoo! News - Root cause: French maths student sets world record: "PARIS (AFP) - A 24-year-old French student claimed a world record after he became the first person to figure out the 13th root of a 200-digit number by mental arithmetic alone.
Alexis Lemaire, who is studying for a master's degree in computer studies at the University of Reims, eastern France, took 48 minutes and 51 seconds to arrive at the 16-figure answer."
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