Factor Info

ID 178477
Size 709 digits / 2355 bits
Status composite
Value 7771223305848676285373624476010615279362331816939560026662799506746628274353657391098798265033298914797253080772069075725283960934912554863617550428555260931285529986080479189379745146896586374763090329258757808468619934301328721592260272131412865272591377788910118716079254756744237006531509839803679593595536066692476966091361337846632749172041612713470341404237352886075182732553237305094286496027195285737962191370670716039076396945812314307655176698912431561113255735285984541636549326629711327453623301980421402494611479382507389835643675728885937283653357716796822249142813263873422083132012327094047616003983474438679172883521701511488788558836154791612601112460136922817118916683508534735002107427649

Factorizations

Primary (ID: 16878) 8971344144759975807829065666553156875434974333499709837865796953129413705803966975837294026057098452482441749661387237169102769377851885609 (proven prime)
(ID: 178478) 866227310027754129333920189986391281452546496003499746707217387729080037254220921636619037073969571595609699678822774590452869833154846198070498091249837179585202136223432029661325180754076141757165442098256451358453092422892637090069566599148797535851281227721154856348013412884418616542922484050678430598127345260575398839737447431713906454355746393363238286460036655308110662066706011586496538950476294118894823381038887430973190338033415849554424275358850272838345920361918545327448288066515880707884213557022523682853642708450324298230784381619635365752311335689561 (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.