Factor Info

ID 168988
Size 589 digits / 1955 bits
Status composite
Value 1918158205673035444010306309992374772629319282795953784528861078166990907342885776362175969408878550745102010123559811106156645222923690856367560946670604250112946232090003394879899002550741230118798280485360615080463701368357050640026744787509690157254270708540813740801531611841439911057523089172346555905998177065108625868169791262799971655028687552067345151859079669938724622943472498758342728061245183909857213716779976703370304007615948757000206298282564901106977713666504291639759918687536986219552561226623108951220438738000743104483920209301018558616246857938214086099624185805497

Factorizations

Primary (ID: 167749) 263790388079541107039607586199349904436518481062297 (proven prime)
(ID: 168989) 7271524256959091150608642428437872661008448028933455681327406543814935346534819682448256909074457411832334435513255512945758441011625684565960031290837044882185632397547706228940531550141598417264601286313023162819499521888397050393628506749566240852949357840759813985149603682143185908666694606007641646906978824439831694384602151514774266738460046754765213735036246071778313531938629121792903805997759644117355776662291539711553679211441573979856529567069430741974097103405821010755931660154393294492645471359123190664031677136112045601 (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.