Factor Info

ID 128369
Size 642 digits / 2132 bits
Status composite
Value 313343480816975445577969511121330296956722620950536909161363684708007712408922070598806377887376632568033906761496133973047066332289508591912866925060134218442729983551093675401273244261775164450310166075276026692899201737890666373639041885901164702667859544637935170106160172987224854119617112184434278152483719162128170000542257907067735709576497871789904162913708331500418646134114490186351869844105720800646442313716719945390844070199721874633052005563904863859878099960611248516296571299489370501684918002598526809414783897968755667779341098948589409473813821643242804360524289302361442691257714657427131160414534940845314191415596793687

Factorizations

Primary (ID: 9763) 19370097058002190490966049371841721547962896501881 (proven prime)
(ID: 128370) 16176660337771860985459744239953661248953370927046793144084744291202868675437647713051781360093514098840109635453113250878121965926206052039507242004096858974008046124567339580398136848218913727631368325101881515808493066624352905832955450408928562212276565642742759182446318589798063948974051285086132766087085450935885517029525963603632322566732140404864356595351216360263481031748856340960048593770440862811270442568225851669922563811095756269417449630878494353448064611504462422308338457423035407062665444615503091974107615756893089219094322360597590207237047707708212444715643277105550927 (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.