Factor Info

ID 28530
Size 849 digits / 2819 bits
Status composite
Value 254990106817110471799299720332423616056129802364180867445115339696994846482561080275956530522296805856331756504239528554780192445376239614812101357360238928082254560906565710256602531987601899999950889276210132830051550119997726080291324513773836538342976779372457697225988344833604100717501693175014737156024420477909761851735702135760837050308163401326705421799967551224241687198565992852699019805471091502869426465224526344367710924717948954179654730445734253824237470168764931833890204043230532578554025173286585098570507453511016105551416712597974199412864084681869245116519080293942612654513998205348245003233224906682456836620452767934282798070292212889869196715266059222201177349371357529997708281884608513725743207667876188384633440500602049719952573686184689139615278789526089970462820644996822154652638109483644774747911202703513158446403

Factorizations

Primary (ID: 20382) 381114663987976481223016831 (proven prime)
(ID: 28531) 669064013829588502877925222941678525150842915159523650870742870252060849173748410650749578707046435887182514557300728459043382354704703961353713958803195133242729903667690082832401317624832540410012804494800518898998788543955709332969248924478967645827066618394371235483702210986814423038085057514119832339000241709573271461525807972499313245537139061329954201955065089220647825689264285512932767095251815598437026412115948495693397612655337503574021854414949009190266464185251051439157656478443809167728947700731846297954585495029915677133640468607763532853133072477047510637651853398306043061061119012048660075195802333756887420459459162238304053035743064095324404528940041326904816685615452988377732565341787400509383659621754975445013615978794379595697110512927101456450719820775162227708098265858351115746342883159613 (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.