Factor Info

ID 198637
Size 702 digits / 2332 bits
Status composite
Value 668521748153008733007704447753014391512934761151709791319098571130051236473174124290141484336381764076624452726486769374816904042112137627146008567455270724930610690983076364644430184696392560745122225303928388366539726261650544152217136806788304020410172104488243249277997257959042619616559660742109987831342535451074467497043739544494126335093970097152978588800468344210792873400111119459771805783270706392776184210346147646594225331138199271024957995095320735644890155511403467712809579722357439766636005411298918585023218708841812397823800260810678038670681791136229231448541141715632395864715553570832580583760148962813383577079671062282835558096308713459357582185496665949779443228467439349208381

Factorizations

Primary (ID: 7497) 37725805717350619429950429139147 (proven prime)
(ID: 198638) 17720542621719178866630247885164587251270310473576055169890599977950137952535078326145479451769731242092189953289788389914102430640803216375620251121995895699980772713375711804895941201415741821240706807167955156901596302286593745559966205028546447122983607628970766077037336693720749026702592177666348567633119769648818801220845947768266057792378883995863771329873207287499555118509786997730877060323698733754696743414931632158902688951275684712757901995205386425042798547787627128971341879816081711117217027952565112427434758783255548169624540518981412516310481561463586877369028899973606909201843764762462096084982720101239378848827897213823565742794940178188648864023 (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.