Factor Info

ID 166512
Size 640 digits / 2124 bits
Status composite
Value 1393104184571966670547059525059792522942125627329711588693841652103011771764191228107249134435514529333882949454189924994832510671169483763650031213822751718540729843116718320903208393865286757857390251699738440500693117333526467655992170102032385729801136804914755687052383546579649154834964116404452862510884970388352215384340675298123002751310938266092207801997315176356869323594078432562074514110357182273859747609899566536140127176040582706529337957295390653227943839134913869880012543422600223791529485256796673128915609238125102742353308841729549439409279052304166623532778195762834679103966492687833192094874033193358125636389075811

Factorizations

Primary (ID: 31062) 307179506952290966206956065569 (proven prime)
(ID: 197776) 4535146886567319566063102513881207360215073039312140287149141859288720467524077763416074013980205352441004988249217462887322898558768070220648626215454288714184883577120433094239536273746016456835635304740347742574904030210065763429421264686403297297258835353295884257975187411711595199172374519120366176467717994226096685717196804210753650203206295679558780414432352850462736643424156027377611728747751338760490365644822299039427167470153378736067718545678621599707283355802706292379972306640244146933437474641504960734689736123953102509194391608962520364083967703901648116911212067536262455830499630386070019 (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.