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26.04.2012
New claim submitted for Running a Marathon while Hula Hooping
26.04.2012
New claim submitted for Solving Rubiks 4 x 4 x 4 cube
26.04.2012
New claim submitted for Nordic Walking, 6 Hours

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Listed below are the verified claims for the record listed.

Mental Calculation, Factorizing - Current world record
1. 20 five-digit numbers (which were not prime numbers) were given to Willem Bouman (Netherlands). He found all factors of them in 13:39 minutes on 22 December 2010 at the Delft University of Technology, Netherlands.

 
 
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