Factor Info

ID 137433
Size 538 digits / 1785 bits
Status composite
Value 1583461697850799038740455379793777124723898792039650947811306530830365331725702609128454868121457065299562461604393176667739353513467592809086211920943144594284668085166836193401617944806895716313819289970868698765890441997355303683966446760680882292146494848999854840109337102536835765112296056507630346847679443011073202596946249591294696755665725170596839040443301164324863957735446245791266111163808057461781937288509351672770147747536103369919313246352624390418879538128677263972302991737831615772926659856661842163522240627646571183

Factorizations

Primary (ID: 136809) 2097003474416062628850098237 (proven prime)
(ID: 172318) 755106854694999563798207001395843732462276113895653060281278869909773052384272024651029530328899512982425360501558070965358492995298723749548967272898038655416700717534079161972487752199226502294648583500750965572188336736783783020736302527169457026646234319454902602728789270715317959599060863645302540513514829355678344553897071762739858385284265401984734693522131604150099773499469476986136067382200456421338380025652745684320822885989415163172744803765198501772615122719531626903318456503381527227252109659 (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.