Factor Info

ID 129061
Size 816 digits / 2711 bits
Status composite
Value 655712901947863105914737352277621011664677169286663539674998378964335722498762553886290986258071443081309482305183002614781303607243969703037674549470064431243525752423827363345432087805348434956080054910595688023692831095127625627716559283748241103916456623886827267394424388634443461326626181580643749901788569367393143823009981376539083559361796186401614846478330974395569840810913460770094912363873953351440230336993417876051850957966220813927338332845215643264637864740068368887372283442189755031555121191616662909530136655410793300195203537419536124915940014849601412055170749335530721910558029779012456340283029886371688886418612407792417644937239804581349427274302121740274532522955091045295248780084845968749258005483067089526783104467962738681311214513354849570231739759346344539957067636999378510341541383

Factorizations

Primary (ID: 45771) 1178106851416371011491428884856510259553 (proven prime)
(ID: 129064) 556581859412443527275097708724946895644034685111969383239592716558898752714161548113648758071336650345984148715128323312761306124115425554773774968279490718576215623574258837246057108375725884903535664037884899953673001808168161331130885027266687773549249825144355096154984713372339979681733882875711765983954447647380876202042518818615349713444234411005169747226415965006249932658501144872696674821122236843522170930112482803387819475783683992099163336550005187944561679329776820137159758699361155320832800633611996787944552039603309314938676569646426146154531866213759291812070469366590826131570901949778406722202105201683177019270668511208614655707611708667160665722644619497745214144366862388747397135274207198866121305950061674931463148622002246619576378456819943971627111 (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.