Factor Info

ID 21783
Size 655 digits / 2175 bits
Status composite
Value 3824299615361758190342802742860260128784745516263217999320287070589000656928904802204938345625207913166367709341686720824795424273370072195894135565060438313618185510957522881854640169654992883320836416062306540518349482526102320498664018211195055172615640697764785756076667365083038755401876800830134194887234964472956566995802142699375010503858414714724601113014697442939964926835419238471187280986276406376225540781719512891072862952082696607494838318135015049786403938546303241825009583623851788123319517579644764619655613621949134285240682949533373616899734860085815008748261370874597093086850263855432307338911864183525734835988286277920634107582269

Factorizations

Primary (ID: 16486) 2570834326384926058220919782123933663342371 (proven prime)
(ID: 30489) 1487571398947142109780550686029478381397506061323100945155015237769439142767545995183180255526094895927304290766047858861783585099082812646988192894591248887529765035078617148492017290982612426239119960549346253299779603917502321843972721279293606292891893210975420130490253973741532885748347746686958007038184007328491913230706635725588876424534697638818627162192339885253771770074416592227665575638591423407697105956139938037219580783258197581864108239364974779977119083290288130934223207670759057044117391502656314890147316916583627796413648124305747070964729544840442571649325839768745539453005868001552823839 (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.