Factor Info

ID 128461
Size 820 digits / 2724 bits
Status composite
Value 6840391802627356696747642155477999423233350709683692898966125349320851669920466865702397220366031066490640396531306986831940441191849326928768779081637466963331519767965676262499364179071084744303691682095611485245352319031429218119681001596713111580281432329084831159425312759538635847599976950453007382656202740706370755318237406780733536028549720713718531022396839502752762234467764685596985023450729182888229995161531207529654245512804950659843472356744097317426112503827083093313234250221830545449240352455988023180223714887340163379875825458716402254767885374442824594312806118156309825505299267853801916861718608048388813465746522200639992919535719629665547892110579782688563919799767085229132170134334738293770405163133063926685552500574651425756100041775910221163465434282471149920640735478003966563784192096641

Factorizations

Primary (ID: 10135) 66585294042751753491909151845975623191863594493838203485676196023847041 (proven prime)
(ID: 128462) 102731269734055912964301942006880304737797388952158006621043883732853234574457019164446891611822021603238557748542397830351957466427317483226029616287020321396903168023667759839626750498100916858168797024247958630425309985818793682527299313019902479065264732283519590509141752907407913773602662363545454646944435384299136848612795211114436888478822482027532496523190073607432270012418524236501090250706634169242638620638805431992316627189458414366907301680733373994885037034002357095273008750129499696540066200334499303003430837935047389513241331997297715989641842806507172549414024976254206636532811470987577644762897930492936041902179440622618441051865600839634665080973905357280210021374845539966160037151665395904726508089789044580511320724025601 (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.