mersenneforum.org - View Single Post - How are the large factors more than 100 digits found?

Ensigm · 2020-08-26, 19:59

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?

2020-08-26, 19:59	#1
Ensigm Aug 2020 1110010₂ Posts	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?