Factor Info

ID 193371
Size 646 digits / 2144 bits
Status composite
Value 2543514596275524464920567054786267372235196786163728585434622339854486262182627779279141233389072186729603685179127158249380472045163560549929219617163120235827505354897061260629979239982923167340258066292159229373054175781480273716316645916686477277492521084370963150711085878353408470464157277942695420688724853423075837971283769148215250697962506077000837833998798034448589914131918290850343116963050789176577779119346262676541934425214787311638269813740452290292699813797861216104852093029805993929246795072963095336511603180240951696599266203387710927485098582979761699268946276463685378277238818377421489178570794091420646084961591016257271

Factorizations

Primary (ID: 159874) 14680566939909891881785618361 (proven prime)
(ID: 193370) 173257245901099807887645621467401481931739574100696397062340757985741915850222324657960711393108961269158016832971612131301073591942840364982477732915568703443937682581592347616658475784693746081844600798498084210741237833884255295250680609129797464885274422276753751791831788186327233325413653529751283314568803564702294135061612054437320711400847463012216569026772418749759832741901122269756051439825458257067921100955540131217700125691318872029434281847504617004386711744913939154577532794703273679181588423433040957177519651345844952187105516236917331621143369895668093809929524931668760364131006442082872361227311 (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.