Factor Info

ID 20778
Size 369 digits / 1226 bits
Status composite
Value 671657836693933181678339215483606035897285451308831464367411128895043046791343428040084367805651072962817045102603372538604758831689803854201544413743173572484883397296554360553406902810017823661338250039319739749276916111236100933521057321556392077653216372159351025304546680109032689605637830277941679494231436725554911330059159358273165416324219852039247312283454751

Factorizations

Primary (ID: 20779) 637043435256965381251 (proven prime)
(ID: 20780) 1054336014659668105212728039202684185648644249008043120622992920158902336739467828560468930946225146508071161820973062994738969865446403439508185470278325648516564208755347452975428421723261405147608455694124779734940365951468836769430656353368049834157430832958382953838513865478355397031510901907757682056548657033675959527262962332163100577448501 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.