| Alexis Lemaire |
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| 1980 births | |
| lemaire, alexis | |
| calculating prodigies | |
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THE 13TH ROOT OF A 100-DIGIT NUMBER On 10 May 2002 , Alexis Lemaire broke the record of the calculating prodigy Willem Klein , which was 88.8 seconds, and the unofficial one of Gert Mittring , which was 39 seconds. On 23 November 2004 , Gert Mittring attempted to break Alexis Lemaire's record, but it was officially rejected by the Guinness Book Of Records , Saxonia Records Club , and the 13th root group. On 23 November 2004 , Gert Mittring calculated the 13th root of the following 100-digit number: 7,066,437,381,674,286,102,234,008,830,240,157,375,704,233,170,702,632,731,269,721,516,000,395,709,065,419,973,141,914,549,389,684,111 (47,941,071) in 11.8 seconds. On 17 December 2004 , Alexis Lemaire broke his unofficial world record, reducing it to 3.625 seconds (the time includes reading, calculating, and displaying the answer). He correctly computed the 13th root of the following 100 digit number: 3,893,458,979,352,680,277,349,663,255,651,930,553,265,700,608,215,449,817,188,566,054,427,172,046,103,952,232,604,799,107,453,543,533 - the root of which is 45,792,573. THE 13TH ROOT OF A 200-DIGIT NUMBER On 6 April 2005 , Alexis calculated the 13th root of a 200-digit number in 8 minutes and 33 seconds, then broke his own record on 3 June 2005 , reducing it to 4 minutes and 27 seconds. All these records are verified on the official 13th root website . |
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