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04.03.2024
New claim submitted for Railway Pulling with Teeth
04.03.2024
New claim submitted for polo ball hits with a walking mallet, 1 minute
05.11.2023
New claim submitted for Leapfrogging Chain

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Listed below are the verified claims for the record listed.
Multiplying two 8-digit numbers - Current world record
1. Marc Jornet Sanz (Spain) solved ten mental calculation tasks of the type "multiply two 8-digit numbers" without an error in 162.3 seconds on 23 January 2019 at the school CEIP Padre Moreno in Moixent (Spain).
 
Previous verified claims
1. Marc Jornet Sanz (Spain) solved ten mental calculation tasks of the type "multiply two 8-digit numbers" without an error in 2:49.8 minutes on 30 September 2018 at Hotel Primas in Wolfsburg (Germany).
2. Freddis Reyes Hernández (Cuba) solved ten mental calculation tasks of the type "multiply two 8-digit numbers" without an error in 3.30.6 minutes on 6 February 2015 at Kulturbunker in Emden (Germany).
3. Freddis Reyes Hernández (Cuba) solved ten mental calculation tasks of the type "multiply two 8-digit numbers" without an error in 3:54.1 minutes on 23 November 2012 at Memoriad 2012 at Belconti Resort Hotel in Antalya (Turkey).

4. Marc Jornet Sanz (Spain) solved ten mental calculation tasks of the type "multiply two 8-digit numbers" without an error in 4:29.38 minutes at the Mental Calculation World Cup 2010 on 7 June 2010 in Magdeburg, Germany.
5.

Alberto Coto (Spain) solved ten mental calculation tasks of the type "multiply two 8-digit numbers" without an error in 8:25 minutes at the Mental Calculation World Cup 2008 on 1 July 2008 in Leipzig, Germany.

 
 
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