Factor Info

ID 166393
Size 532 digits / 1766 bits
Status composite
Value 2155009768581569163199687500477641538133229084689551035277300161091284014301197086640760792796263872993359552459015265888240226838985334060527352713880663242647993080200752822098347147362804886843728295216134815255067860047787467469146194263162137318594881832284120598309792616881338089961953090718492834844908060995738608471109537041242008624608088373227837855302556636269088354589018564767120862897664077687888824688525894849674688024044811644496594665958114958973180581840232606317578507387040521865187222926365181783554065373229

Factorizations

Primary (ID: 8020) 41649085891390429201 (proven prime)
(ID: 166394) 51742066421367633121115215261925840388417862890028236740371606004842625796241621962862017703877572090553010821321719611066487069933244282447401410252163989937326413075598572698697149516925808224501505564982328073108459477067658700830759859753198675798725188787067544863372177394597984037088597769884763765736439481094021671139902222789511254211028357550698931095435765985655526898354228754493516313656180285502333183270806566987145798375247883136462077430524433022187905728900833297090151313703496678330228046429 (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.