Factor Info

ID 198775
Size 806 digits / 2676 bits
Status composite
Value 20204465357832505864537745277057147551572488609668569727095035486653127674597306928639459682871428232232279457146022897637410630194423055467268819185051958922990934923129444607614342695182095025501428664549147642143890924282158993520056997516926310860498964005053515809821917972211925675624099097515798251891137548968698953456503665672718066400352458489116696484553670916073997744820970218794262456300591550907878110081868798968676520155924830394404324452604509735835239598293357753804364326208343793041050208843284215864286817289726179339749442979879648624697781398683044267358426392585291416984294650738084258448819845561786805462140587081214302816753644313884227083069787264575457204779358002848067793598451523950117463443927609641460330794689067700048634799403662035378755789413675389154929663063120161

Factorizations

Primary (ID: 31654) 1025198257426803784897668145880241619121567423858891712712133378241613204807751873 (proven prime)
(ID: 198776) 19707861588201194090065748438893073078668514135513786639015506651314998338713890621034989101427704121017016901175251345554887422549873486465404429696744466847702233401398322211743132245892967348747405904083406760837623398111893052216200010556452300959702748498626087413243813029608049338046087102621324167285828333037521073446003882139001948573874899891929070306123423655995901295143550861978681565191950249185928834527798686740266470800252656487751041638570627438329210725689827984333701770754020541709413907586275566135013467440059205749364839994697143770157796123135258673572613492054004756981775216953120377529718618866417928381860306238678979247226871824386244771708492842962084479026474488757659126381420127730594805857 (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.