Factor Info

ID 130781
Size 687 digits / 2282 bits
Status composite
Value 628286895538753159985081634798991907545868583511349240470088938867205952246601250926127808412631463965184498322505060405645132687035412105304734663650748375392450228784003912695325741239315919353884955143765154846802114569313451274533020370295711732182855477770098657707906054457378905186751997269290175191930524909087866414031725300700095889134059095912461476476044857123591439370936156214448025593477052006890384521975403644376899434147279844631865803511881222640121295602233898587875449538921769697208118794734522281362265561527121536940458514041778306114331838460545426962661872147598671331737891784647620623332944162078149991751790162545874315344443746053057998526851848110754414531

Factorizations

Primary (ID: 116224) 486527646416816819224479680717254754886369648236554763329246895853352022582931509734540834697 (proven prime)
(ID: 130782) 1291369360335360450958105958723055706551033195571998054754209645060662967718402855588483937662752480761902675805266180481771154001977228203808982760114922228917612639306000148580885382711050649082752579397634597951470882135056410169226065829960723429651876202853437014261523977378494371942871135881033339563768361262558753585644268508702940271199069500516109276455294676273517438651854421729786779795326703232293878310754996405679802485799033188740983016314142241565238860898688985508124026141488681020650050740619299019912837568265441347115634066231577864356508623671726151420888910690649644523 (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.