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Old 2020-08-26, 19:59   #1
Ensigm
 
Aug 2020

1628 Posts
Post How are the large factors more than 100 digits found?

Like this 128-digit factor of M1171, or this 104-digit factor of M1193. If the list https://members.loria.fr/PZimmermann/records/top50.html is up to date, then the largest factor found using ECM has just 83 digits. How are these factors with more than 100 digits found?
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