Factor Info

ID 72142
Size 876 digits / 2909 bits
Status composite
Value 425518720820368817946889934340442533474055039782977764009217945738796928077780836756934035279354022384360687745862552000371136050146057178950511095115754152213867964038793585291609830917878829392393976486941108819994624517111960205703295900373382994803196386684974576626820370454572054036831522989613118913266762645477688506991161840113945561857038363122496620623551546737421685590040224129313883400434246548613363876421240828363430542982474808520124688880244675588260415518452653512735612080429273502343294469144726033636594714347419051904857670670350044424456531663550744009901131053345508870081616760635504543456847593650812246566396889204788330323173024702852516595126169788756173972011219018147746629653881844281217669832242363607372496786255092869842345893221057259017100743775273259967387106680143825616622626753758705735888179710744943703901460055606128666868398718979

Factorizations

Primary (ID: 70520) 383493384240205993228059557962159 (proven prime)
(ID: 99505) 1109585558205717877173533146142960593431096537666481915458705661529676848825779148403624209199581900637442934673948900647337722803978736595990922571389941465358574952693162999921371389240099809176959031190380714354238375646349206787849839658433173605686874712225683733763228515627426101750245955812691913141527082221184902888274634417220632088702738961880673865333482861958732443663700670562178187174298907027389966721365557529758734292173020934015376236025161779998424882189772655824819612617619542470910955166505165904694986374500722550172482237408253048864744119967965352047910801283028499831467566163094968085136338787760414884563867937291174306471659718068371069052302418225533346539337807192039828183053115371374479692297936097945448655227548108201410283174258275524901997886675353599999451618575646719999999999900385279999999999999999981 (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.