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           2319694877 1907255347 6532687103 8912211708 3071628375 7301763621
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The largest prime factor of ((2^106)*(2^107-1)) + 1, i.e., one more than the eleventh perfect number (the last one found before modern computers).

 

  Submitted: 2004-04-25 22:11:32;   Last Modified: 2008-01-30 11:28:00.



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