Factor Info

ID 177949
Size 686 digits / 2279 bits
Status composite
Value 65574593080197694318956823728360916015867289523592724326918844287090759768824298708855785314612913577847613719505724354915072332799974204216366110791047011321746432202857000395145516610834991364803469134858222491483912092755440253557452539121780926327048130755793980646723336912762005390807936111512965651990103158356024562764398814282175281317041713150544940605099721704655856176407252981834494577159645260521042841598130847395745024056249794164819257868687757618978184450798726324010677844467460995881600581149432132761130548613544601918775829730212703170061425577874711184663061002872142020577081949904579670155445963654814620206566975625689606263581008947969742058915462399017498849

Factorizations

Primary (ID: 28706) 25554497240416675085996838334731502917554555803913686729349216443 (proven prime)
(ID: 177950) 2566068604804548190061598004972538705576433104155804429729818045834550441250763679089378448045977240782734115332095214839539325734899182444204044180192604467036526183575762422117234229415774584442482582254315876285811696863256085064605480536105860986850391347045927818467548350580525756711902035103343442955006029412690304949827491135167181702586355526171438674216634575665847925910471102129093209434997258005352903440971191657745024021643374312620209984332504123426712476932221892938418619238177596314833891763877155681144185321436428885619933099107597992300794274331826663100203930276055817746821796832457539530961082643 (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.