Factor Info

ID 145742
Size 771 digits / 2561 bits
Status composite
Value 721863358392590522098602212496576156677710721598995214971849089897970809201296547402572686647149341669843039180893475655421784533906205570517691540146128806692746680835982387969509926655560384706470386774428202491499815190142490192395839889171086997669501069654995235569626322318453196797354825497831284713089478608707010689283822835230415315153965147030700368254653024074336054762962175041117069362323397771206197796759809431730704304643913970350569999494055822662501243182772971087256301351233283429744189326496871326120219884362420435959179388883393718518556756422539534870972972288830167032728759251020842656751627576258235542435922923951072146482990975077391092626247280375083461447738023021386669840171963106078324981473210160398459384167415804647690803722735316413

Factorizations

Primary (ID: 4224) 950996059627210897943351 (proven prime)
(ID: 181688) 759060304283027136136735056079991090268765303297013224544101239309406993502934461966845641677601289472650008826365864705507759423241708834884463316509843083885923586955441869286295150788993343809703208333239997173114626295781018138103960698375841205447028919058280518344904755601276939041371880296149477355875913909538067699021637350027843205283501621202159221116284334463779215974247539735821296285785542502199920958695892165527003717038243710558441436210350432099974433953506133528853541548824981705525013097178715741253437502148674332914242299805283526367756023210272954236875382041562599717263351221115869783272569703431099736378525810798551451980265809321899447835663464578720304900832579053433904437178071093549778503805253021247453583880363 (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.