Factor Info

ID 144759
Size 780 digits / 2589 bits
Status composite
Value 197553297570610916821620140356208852363251776364237717316618497655873364814235124547658468337541725387535209833401809320373632947672753014182396800226559120360890556189024555721215096056582494133734019014663980807478107879024430861440421140726371047070930608079720570824837690460105872968489658331849323917654500049687261475307506877879656555063662968460110964067630464901357877090636195363003573668014251289803108097366640640625755606608349731318124352854950755617978151604609557492232132170911439628580647387118754614381976157707356057569196042750993309601620325092558776749145818453274643593681881555925564542568919156478101331121459796808291379218584927647474231956947643348303738772299549149736464760513068204816450943305580764645621192187574591976421617782067452991840205493

Factorizations

Primary (ID: 143143) 6270901978304294694901 (proven prime)
(ID: 144760) 31503171035697006872094772116717955394460475198646429856624192462298285504328858098898405001917207826794271852304440073354659797838680034209334809028371857909057407599907696734708422004763915147678174835962489069101562433170857548788859706987614511308414872590969122122648167803314823117557798135118815610658421502128841137594792275339015270232454864639401646804680844495211237055041536582569258515961945494627323586998129868554924930417857285131951366603479613661185236584255510482128699959807293843382623504355497919300943101699322281646425083766302684946800149391819292741899871244176640921231119159721062628377576422023357222559993760067295908198047633720206688673294447949000314013060351074934163211196351062115695993367446917024765813200566410797049793 (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.