Factor Info

ID 180291
Size 657 digits / 2182 bits
Status composite
Value 398235165766162222055341009793547526123840512612562305097626635203860495616576667463197203415771478890578207423452170134468598609669813174632195316459835859801371956498863347315347164519965097805730167886631694039315799801151075356851639924299392372182643635774025892953326713179305960919243913260933333424437914900534932615319236102424284206271606440519031779799145399186882196515432076331975377101981425996600778632993548389685539277474250117064566906979404783058211531844078654955290350267326037804559100116483183367522783470284778229325353671213978660573847080177589269192934538681905135043672083177456873787295037697341596186346497001451595262223775291

Factorizations

Primary (ID: 179257) 409513530380007267147029676952693 (proven prime)
(ID: 180293) 972459116055629934744341435177004612506017603615967630576899587995834159269261339983768789095135764409997634274321334513152129235779486615376159980605363993930053342780069452329965851797358519837290572340005032033074479623815163848309176479473703851596816786542540766406667977624537944430283486604715195657160510835198575536336216110532770487704769628275073117394528975093381039549031468857185595959408151113684372247778815048762815781671009049470561850496271326303767220246016458689502096600331129267143482282275429149437106308984776195084622916026583099238690476815714343389372332494861647381464822850111069000662642287087 (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.