Factor Info

ID 20428
Size 297 digits / 987 bits
Status composite
Value 921451524577912403357498313308007158032539009333918321043197241318187337052234161287715386180863845377781284659232698023085618110422775052809534982716457997510988606016323230189898413619406754850899909701655873627450763843097312277389200180121964868864682098027703788463474368256901850807165199243

Factorizations

Primary (ID: 20429) 16860090181450569942798606214497570829921 (proven prime)
(ID: 20430) 54652823007535933654992737670488217910165625804133029934085753708300954664918646511318105268857121309093560743256586118053255993447624198883163351513919899782413167473117350765990796840535236554276583084257304832930793623227580284499357199698335730456299883 (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.