Factor Info

ID 196372
Size 730 digits / 2422 bits
Status composite
Value 1057577728205257110399486987334279022779478871762735030508406786076320151588251436769497995043596444795453600403289862637606485707144173456468848985959795725173215647535367136950714543999069389150339278371794920120911192894220329255916198255357357472135453758300744559599628993720289269537635988847508786453721734561514523881285955506539097970468494687029448487561703551595037891401671801763189212765640352135851453073619389671464064721667069353636433060202328189043704867212654829145855086895878647555045633245119795987862667834336249244996186050686872920998029592948590774084498833417616839307365141099953709809993024089038832609721163852262794368338152761422636868411491900824678772701268735772345267812905764876010491188840501

Factorizations

Primary (ID: 195337) 641396379860564353791000286277279467814498327234626489712425311086596434936929291 (proven prime)
(ID: 196373) 1648867629148714611989140477820230991879831947031816085646923996235560434956462754082369223805507333551837846024321404971813454456026089467779765683736492943453234960947043455535874963235456450809431861599119686667242833680968302823550151587624695458039709324523908861717066724777739921536995020587841190558699397797267051559832863978974444555988846268952605126651002052621763525476721958849926160553325281950067615847465021497221697303900386863729235684479441546090666753917181713050101274599353395351878501289503513239850882080170992819282388878371284951578095506900632905637276306069643269972753652427160578746898773191211954186530499696551941311 (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.