Factor Info

ID 21901
Size 305 digits / 1011 bits
Status composite
Value 12773307780469236109751340343693171435334143945721772604120411599118734227245737603499617945157642952343752160628941979648285853829126783775977441796565858142065598434820259454601633374383588588337491462105847389219304499566071033808861439867704612601583363822026142831412754496798331856003445537882083817

Factorizations

Primary (ID: 7479) 7091531088740602980647 (proven prime)
(ID: 21902) 1801205920220772729760162277067242634853091882363897057074841599615142949171736517848294012886693516168346847959315526787561541787647273325060409922938749166180275965918921618707717781809530546166657366331357624544833985696553637856125668752895260152003854945584298560841166405056111 (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.