Factor Info

ID 25478
Size 720 digits / 2392 bits
Status composite
Value 719973237163514244119292377090634454571936149903500177191895544201082717869517542798510204502438603804432158231439405044482110475753773953397662722438697811244083016007907669417657337005376887316682226788508230712663907667740172150975617694992728856045998141326684056942293083667543738515913690311404806427739346920795122690573601966933847909235671308999021553463069637784966710907830410821609340273113318694259233589983066008356557058361149542518380728213555163048039862868199324709559933522280104082718317375825538908929229541409393848956895545365025929779680728007656581266009297814618067144340897860280088930560753269939172878657663106803553483964383316122398731294481329321632133408593460593918254833882178614951657

Factorizations

Primary (ID: 2946) 2048568835297380486760231 (proven prime)
(ID: 25479) 351451815901026011671156838811799680524322856667786332076283106482322517402511368303836071219100732460362636372163993974267775905191072555548901581737178571362682635851799640610399383025750994380181377799636847255766547078861926576181229365700741776763194603258865410408400705598752100698644569975641573401603948340681214338998844344299410650039558375721163651586799565393990590976110640186844140258640080970482972820845085491060696378188380870355140376402196681794377174870954093559617909478990564984666582331439368937968206655204057038290036722370707506173186389498803965971063899310149558619193617747760227377473214478027621408091826904706272667532745417076131640916533820928058386087843156847 (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.