Factor Info

ID 157442
Size 643 digits / 2136 bits
Status composite
Value 8241550764725799907884055426058407244678323283281442103828908143433672672413317399915000344017154446997206827959598242533714527558053425695170212312564885499712172618444085715403712763099277943139321387879640771815256101866249643413810351087754123957172047604956814867973811023601718763067867927709713281577412025653096848786739375895735300287237670264919084390464066120680517769372783791931568124814707572921659652681115245471871559407152111099679195197029700306066655808609135327345752235976171316180179408598318475730955420846267716764930998726386739337690043720592026493566553236982416539908864652574497521029474456690873263738949416108361

Factorizations

Primary (ID: 158653) 384551352665165727586444351 (proven prime)
(ID: 191565) 21431599986860101090692889025620688157911438505458283942765064486529302018006149483072284369984733723875356829257716954302096742236947947366492011971949233200390074826833755717696782806612343896428928027863871952790413131682778507944009993858029294171762974777717742411481380573385482200363876577180929198148137265897306317194876358981186290185906056476465338294849095592768106179479681025297555817644095578651627485333230056756343469354281521487848768180481229495218017956199602416183941524341334316773287765654407890458011984235043039681181839963005839793801271406820720208099998275263262272064102001512204084795511 (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.