Factor Info

ID 72571
Size 894 digits / 2970 bits
Status composite
Value 638361605142948612048277360727686082126972923574221713363289870558623401008502303255255071465528508673846111218079567733346305774858111786002119488881472269252094921294954552896640815241434591720801110877902990113332363807337916081315455839981111755532578041739657595586449961881594286013024895152562643370119055950191566182628157351048464957462348819080798472051967617529388531717957413402829743032096573031911007915192613560981551366466626382889714980395236143537079832304966815769004449525841844408604127320107825794955084503490092521832472543019637669288239228761691353994696932726855890788052475974359428527710747577016825911761501450418304654616726859393496986602782133317413253254260114071939171186878924741413759669914943973459290330354682257946535798278887434670421035128407123780944063403244440374680662108639077188398501345543395061353425052798464279651098869352468794132360489311581

Factorizations

Primary (ID: 70528) 1038193734970398415809901 (proven prime)
(ID: 72572) 614877150227794381534496128151419640667980062750197065649271561018178885122682738523976262232244055994991411332494095984672411830291241402905711266173647469398814385481814910695964039562000634117934706871926036801312742914158824336242102427202862038426108279992053832103403148202714315569855396077008704372946192475590095830492758430833767008645284926677686871795090369782504733307835047956173215935849774303836244780284452331505034002674811553461671677448218573558425975544675815065244384222113870969151242205681334088551004195572625411490780561118081774393224549956706940416549694657133925231079975131966543676745110099768973390476710766980546151133765185689927780933522736498809739188342564167205476375577031199506335453814474785789872339748612538742347383883792922439489458958765828692128477616180680296797481389136107538222001440667999941798862927117513912399669681 (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.