Factor Info

ID 155986
Size 654 digits / 2172 bits
Status composite
Value 401904426192204859366802456657559485737446433988833995828726170287186319050804694161798293711370114454603890582301623432431834723219728308524174214657750489847100858609527058261483048201499981899345081491474494971664928850902631044828316289695572235414810070887969268471991916871155952817373156936160886610380054603649199654182734353253217773212352807188233164841907038731852217227890078940508653227410965881358569554761606940768054057991910013480041563613780545799897867589828898395231992398999055462261464514464736421912419353148943656523345511991185989170680865604131895810030582452363655259291674737618421639892185348129454379154497044677532966944391

Factorizations

Primary (ID: 154688) 869535983092745596321 (proven prime)
(ID: 155987) 462205629216999663442506211454998456869272632562646354314445905761275876235104802500831879213329265660069438974485148634125346954376072502314771014987008765588444086938921660418239864032523727594185954047136834785824981513165093268430064270719712126211750330627784577076839758543997669585858229348498554338594142866552152942043902285981604401455958871041777208118467793254368864145879397606025962655868409475392551992710942165394069587895011838278057743737245278033899663403272215889212178161996799996408863460115170095007063673579069483326991679441206953279012089672542433772498991352214790007096798769665679512229458566247810853671 (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.