Factor Info

ID 87396
Size 677 digits / 2247 bits
Status composite
Value 16513404801590317888551440149216669831382377596602955944771080285444886564699439240686159822190566972833464271331854203744986163699621355887986308042205196741042908765744260780656961716165946230360671225340827353100911564531032972343337456983669185462681418008289837423484170616189721697141951248328298622550016076733541023930251419087502320832098112309203302134812249914270182355110237130721333461325063799048877569281165325207679177844457275617866152678543161334814490865028675606746158209787904644355722149065881598806066865723055541566699586376270469001276936013323238988477857133446045565930768410075170326902864941469537475225400472404070260876910196662238377462241773059

Factorizations

Primary (ID: 10783) 227640245125324450927745881868402667694620457976381782672549806487 (proven prime)
(ID: 87397) 72541675539398019151656111257636148888881278869956158650794172606177554399374536934801118102631326239586745807475364802266451617875306886333749277756798183281380357160360855416914270536486722317032580645661119514686068733698687592684611479718107176249877416490416852301747703969661446932227078863455868653781298828545550894722933712855873634484628695883180272218765421300570387515253370944738900951737903861281845269974211576702795478780659505783488180376812483869022999563459070754623716533529117794265024545741333602447993285100773556763872492197637186632607449186931773345946277120174988923316917636476195957 (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.