Factor Info

ID 117988
Size 499 digits / 1656 bits
Status composite
Value 1971458290317943081021923661547854456303589889293873323946415671901036612824261094828536251432775664064290994728726491708129616481764779797296231178754894413638574025856115759628678034121495160631753898538124727531061494162736254947161198647385138022771069427125435205066410200724954877701055711361109110879108666446562155567730349167386732388561084283802568601902144095530709846682216679524935373286416856736897523417701756339961197459875174450249676269286930115095413556764195999908368505558868791

Factorizations

Primary (ID: 1161) 506500558078271291193254167726983153455094605128812878961431839 (proven prime)
(ID: 117989) 3892312177893566666378612336106077403139491501207682340770831473440168550133990146830608737113628600923401485401084382096875236746783485284664957498574084842575998396484865101665419057322623982888856700221887083546747658957380121130604896523731768217452709333049448502710389418455553673140844794656092317935355712356484220919574124299558378858100363315867413765285040763644731069068220115490962535418138847601103816903377567933964392169 (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.