Factor Info

ID 139421
Size 401 digits / 1330 bits
Status composite
Value 19801631594524179338391715788937309453302518328663734473134933410858186220149192157286421800766678912628811720855838617629017926937045011558899563143855985603769928526610988880630125182667389810956108406018677710155232451975456388257724209840237745852269922911563898115050404425104234863776251727566561595150365516573773803269029735964945647821386218566706731223545116104184669573179928658007121512703

Factorizations

Primary (ID: 138849) 20400155254263793825825777 (proven prime)
(ID: 174279) 970660828200583507428902168861490478714257402473917682462974400048820258856447919821114251172260851788120907889763850341688449757628395321397978162559095845285175035653581200551607313635637779286200927815456954817086267267715786604680323231101465683475244253599661801519000481121062893319269176899843444687288556323931004426956649625876423100319630375380068770025880241376239 (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.