Factor Info

ID 121520
Size 657 digits / 2183 bits
Status composite
Value 853153096137541880359116783309579068675450365282413587092044096378418790453603872034700466027323995746396223482002924616142173470811953768936090498915498842721924298613544107468178660940374095236564742026913162585522416195075149965462838206050250924659214606631979931950329353408248106713589064587484712294043239060735071774424512256583065693984916800090789499848981358750682404599139568531255338217763078774357614140879713397554837864055054506210937442023441398375584656974963187649422861323709256129631705824239625984024858982035429893951070334368757669057241959462688035510543480643051339822625895271072274919386290793402294193034608137663564873877463681

Factorizations

Primary (ID: 121521) 427103703553389106725415799099391601 (proven prime)
(ID: 121522) 1997531487176381879823428855926452055134961154562575708487557171145845818372686967259494270207469905793611368166346039919856942385027089923849136860794512118965943781941123219145158486668432064926507645189338227927830198894471127055131011567434812151657954659773096940681947862766052287421548032550446422587833784756381770002260787952855293427058709992487523388829062927376947140665770779617602701458404094194442361085450700232256241295720215795125887358801363867674507366071523533133417231419239057204149910543131389364424731788015649995028094949489674309899196415028515106328676578926858172669652450948461784890516344081 (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.