Factor Info

ID 153763
Size 866 digits / 2876 bits
Status composite
Value 39954341805438760056991382246311807361776016308196764101984427551680416183897288747872218810306286791057500105016056673734619498404539876895546249642357950495995182512103090639589045691432253391480859937405095341422992389687821945109414406267479998548858955390502340636739338267457652929439706452352351713234230787067368615799638923587986015350650741228430276427834086916891989693608193654342301378181560624684685031422092536821267565705244218147160870876547147034268623173914232581852355635846575317281267070316079671407252786223160581056972183590638956203183727961574580632597535565303661712812055439131491394246079595607651398620699866164853116388974170182701380934313047712049615832409254011801628198377815176618383652836755911977266723289146354610150968951950971514222583049687759602843614052240194727440777488348466606739120089562976962110656811619127465605841

Factorizations

Primary (ID: 152140) 4082712449786591286481271 (proven prime)
(ID: 153764) 9786224794628195208951850944305342156367744866602205874212092727021408140740294465467538852230655972003870254547542920265714192926298287874840396534489449329662763798014800515052930564943866151189948473838164235274938349210969495284637414688925994092181198954173768877058576440809536784573870411627718199437166236845596662250301926570556822921469927319884711420860755554389034025482161442696344653694615918895418626792888788568508391641303838271143800522041171247355005411616182682868742086975224410157370619772283851607866956265640378109300105414109541985165355384997494208028368479873794508998064725552662632087897510064890620352132736518934615906954105713784525471431657146226229369818322254917106182532012807732217134320359321654222304509785556461085443883846535063719803437925050326336963640531534267867641196395984098278702176174663671 (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.