Factor Info

ID 139774
Size 539 digits / 1789 bits
Status composite
Value 28999912729676479013822032832703781920245483777163147054163370743269160754506144490531797097617628374864923637050808730758469573857842860358118847384083435501378319508994352024341269764610824886544254482592204252381256958425326612049545275569280895178207323104101948539597179997708982341456064822462233782514248896071127298326181333698682673919840924447412289553268465042697535574688417972858180875479217231980038158435937226252281337421112856498761248084496723498999743689869622039574645379089861003364198446016662847858224151433948275217

Factorizations

Primary (ID: 138849) 20400155254263793825825777 (proven prime)
(ID: 139775) 1421553530756353819724105169576177098277999114923494981682180885257234053055784960932969166302473176863920971585181060534057261073691203784886353737509858946820809784014712392653526865421743519222441554225447282023917051324650502652004486151486622883653610298968671942969812709977885572032401930062099763636905914661666006721640002937476613835547676069170793055271513751931192855211171554216293716156812863378490630057108794998622454254907026902786253865398081174805319172837134427934824261887836341665582355570721 (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.