Factor Info

ID 151853
Size 1152 digits / 3825 bits
Status composite
Value 217983458071044047929185818028849750073127777954711289162149296215556849328974603424276103962989741984699648497231813213088731537027348116764678204820633278464268009592922106503258706553998419568877626602870575239290480023511076455029387843686180665396543408622754766626540774542159037232846436388798894084235389830631951948900409485480552892808339429406414765474326055710820021225616695624889780752400350254245059013680319732079197833781531120461510043546544065242185894795003108460469575708206499256244722593013928249374367677412142696223427717032388308797338270917343917988375664366889669563571162088390614775405201671884163547378914642532356426892507331829905106090364366124714867134514240709991685778335104472678214806289668334820966051721551349788077835898349217443633189471646212187733284071669384808127198037985244858123845989534881967732135687456514926765464106916483966478379172156872897637023032675350334205817215207713624460888581866241236449103374940824162825568476196481884544628236971500663731887161444276915737977184391594420685076337646398356693838578754214967408982841005879020526503728862296226003558107432067123945031991496147602373

Factorizations

Primary (ID: 149987) 13878779543775756973646971 (proven prime)
(ID: 151854) 15706241127578361869558953529381785575424675631475092190622545243126245165976131947481280580197362439324117974460931424897557661135714365714648120389024080626277838793823224832004728019689489828640913997538759101584847621121102135737756226866675520560227263807874556138880572909399809386713372760749085236334652020690245807868348591900727634901392949232125097313730053396506577633838069086265534383489145824518541314859753643112794145998814210140164795675350190212277816170372125237328128697472898485193504407195928275674157972358686053726694756261046313279542432455354333414745716302539061858223599310113007450913889514944479581037461896537978742026623601561441060698675302622277135537977102405300637436384090483985480365391242075304686747353676315200320323120691241001267729331722589524019048036644857443423248619026107884230749593296040813532444311551076250795493540827019367703775007592699023948404236174978031751521144676798472073014248133818180071324704051964917397576557360317389277908212815398708515090367350833981735055192787850042178808313146407297558561684735482550557871079814138496623619856553286932521023766019263 (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.