Factor Info

ID 165951
Size 1483 digits / 4924 bits
Status composite
Value 1663580549678107607490237115889216757926287642735113333100898495784355536959459331009667131424817665090708928706481723815969370510649510771891393955480472952378642898754810114505897184963503333539002509352939561506203378039567247123492575738141587630585495152727710597280679654651507372434200840840229944837023816843031332332454402105267687426270899096575584241568188077613499729734713089601411611136289900712631463248357859313483959932119696947427617763853966921958969591381966140835223060946285727350823914861106260243400554530516249155921444763466857316801406091194132083573494707369000332096714012396444738372798550170089546361725958902497756845188977139231858007750759309500953876515032369996526447527573863964206272392428360935168665634524159858023711272064716074153294340727318438323533962136248861288218662966743051627343232754112289124813519066539291130191785561551137545649279428239624037725427547508693123444172173977196552287355863623021160059930198653958482357455206981328869942575171236177275585216602311253151260617795484875065992570455800509848203226879990166991864613337845883881165035162018351361549036997648403872872448050299818203224063517492220985397596520280437486799274884235524827518628022757168798824063016319715055384134792475136935170395301332324385189325017530774780566226455743201714341515751330302605427730605984333123278108758744161197077326965061255665496143068090950962986863154041010601421052587110957997927958908557652128061633803251855905302693117

Factorizations

Primary (ID: 165952) 1519073031839648814291421 (proven prime)
(ID: 165953) 1095128749447586007153677692094364359912242774286404790673466518441628987736524523262302462501254344531002208862267854043560255138120530502922680889227370721682034198747246676211336898709046279918670782451292591359516132996784629357490413435322983165552409084336120754741107162612799502614598393732070581800840910702647802085371502712631894057166431085750901585041182097625125667504170033684552428308486419818616911185531180538908673020873653195221496374668313189123279935151341611572529329104272457722361996027539037455465322620155027533677374340397401614037937212007907193725986945833910226100886000342994708748175485616565273734887878385057532299185702820631563400120698784186716858312021105833557959140221836700316782530979653199894551011313934426069733640918923967704980020619840706344444466407065843759988808062082969749175890938688249079629665743073930258438361075230165380300363364651106724528877552287086982815486885025397724162581292729581876348752287574043893172567668669199278423299318126826445012189651324995450828074451058374122357740214922333084268922020311953869912699303835936324009913143643148297566453862044096734014290495920661904601760625020717862633230013802850778458767249638048232684848766992407912633315687471540277251849815092100281968064690001608175533979099933087256872204018392807632727307676846394316649240563957589443636294338048150191619292890656231835470009323232850392458156996395418226966922453221835631238552765568056079777 (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.