Factor Info

ID 142786
Size 1131 digits / 3757 bits
Status composite
Value 740981944616537130191760206448242629853745533883491608424118658183384326566639908907201290383972420012656887734517446255495143559954288800754447614645664572971777998525379982229532450630346138820151165667889119368076265831084103119982913108156959272853311264362826939314874081970594494423584775968325833945788335599925108030653943164848499022531063838431124239782159913261196674334504327913785662595139848419826216614528230122863627708881513150645281467153041934600807686903536019773792601727320168138428529147362984674312122236940945495251257656463537701100442389423510566027807980594709292842911314908994159682775665448262798899721712674081976178895824332220190623047634495006359410146747792107049890041546057323236872559887133965186791833131278843108660398956339652891842099567958899589763865314525803060540630257703401412526631143105118903852475074043957842420434850158149380941383934702870513424431968518869472826123230180183712713143450389155900993822611049507807629805546850328667728892481950653871271472964754737779660539040453382649591704149958277211835740675180413277911399703756035402849983189595194787268999291212304297

Factorizations

Primary (ID: 21577) 645242881466809773505201 (proven prime)
(ID: 142787) 1148376783223221061956508552205710322288002387041594207027838298469818670951856145381870190437727466528822278271679942425156107228222357253489820841299626429220099185055452541983006130533017686259553060281917109753291114907859612638571097809465130534988946655995224815062598509183416053476917141286893654002596526755872136572074906411900195072507703473259543315833339082619299458249493130805985740478764241785385257912769206429786186158966653200018653345803436469340901286251225641923753775028023811058802420743756922789436277686353782120028514508938768142464796916542055506358005424757821915297308313985964067831163868701121799735404477655245788838607717811234496159414031329866690831114588745215904685555195465066679961548170148821967355951464379880525398644896874128723185027017090655178937356793501089502903089297574107661594160042650747930486625340429096469936732236216275458113849297512164162849546219120385648841857034492443733544605516128598787291099645611417541859417191871633182596986337137977928758910125260780962840599180814781136040982784669414546734476636215102154162658567800685163008115339897 (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.