Factor Info

ID 158530
Size 1272 digits / 4224 bits
Status composite
Value 187939449921974759901885235536776790637690694534705386527708410784146976823992708456875613387607167699442151578842470177544359071943172332221742753027430139663454322516139930250992610296758922201329878779606243530430554206280563818643925935480498947681713863576672695180354581217912372464176455543360053699430098331071491460048990410094827173938950693937425350395741671030090266194441222943584610786684041785435731703114937691713239726260770958824669990980584710763504201637345303385806937251833422616602337537219241687702008206555802591709033550082244575095273602264518307929782308790703919102888777686090332881338587391549242545174069411880048936315965791192692092115481064355704488868581700821937387083528084915043690207632522755554235535006823303481065017578173431042848210259965872028758009353234922696522209509497011878577495052495862494876869599299774369801169781656377217368236788049706889174089473156937620649224914044786408831928837247977689817855322011919622807260200805287213018792480174884821658139593215087933524497156323894558813571313373196984844850944215446427094513143185069324474171234356691384449247466986772368248249810865452229511427023066241898325150234156533868589978559231466152743806828785521414394029911033608002251777934552869191322771069597303

Factorizations

Primary (ID: 4113) 31255173993464476009 (proven prime)
(ID: 158531) 6013066827312281237380758258220475823812786556512830232855535856888349041149067230394788027067909756371986064701945035523449625203495094950331845956965297084140928959921493865098502120918267816738297507032358170718743150952152222702668405558636889109236858179311265440810149908712595798342830704040086988750582782606741282291593883906761883963290743276741001870253687950881640046337793898311096092413679241680487380543664550510232514436701803289080664765754754834329919170484596263441049319626291527259908806394307905128417513412772144109092791603839090317248828777485411840026531879928512708989810898529684825406270628781672134073396703701374423582368053244210212001538762405832621488152639204254024721567616700555112708148824411515669651204435431437951835601726078393305918457205307380727203839994841635473084307077510782766660581375376828150425674684849475596148173535644774612397758725733543104279330941763043865458752879272963397847588887915821065540514366492499380485038957965801833166810033215565785529123283109934994137572920519690947493675439095217386978079110402712655243768900947225188366301438607855505690255324935080154705858547901232595905175616531566323324915806625537222484663643282810603263546172581202181138731919523523126479519878367 (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.