Factor Info

ID 188730
Size 1171 digits / 3888 bits
Status composite
Value 2155161956562756971453116025340117091232974895318317227020242213795252262697035253064737947643801781919003141383683346553374962276812990872300663805486190600427830334023351830039725866389331293230398284520335894769756747090157394376592008492157825421372959151665021518826649869579970162985406226444993795685310380329232931978844770773373858400101171327183650114988206674772198279927851402201411639325879531778995292638481767385598532067539773110535926598479043621415102597516322575197926589802102851224640107377775819133248799553214534497556160705675904979612129656625845280373594842402408201054138162859988051212957569815495168477101801598338664960610780659952799890158775132028377649428731841705466806382053366393910728587282709994395675266574700757310270435532586106349694217655608896715695546200012074150992308235439103295537593480149852009920733172259828654753276429200384263377010001565449049024445562483521871815540641984819998064302506220752130075498945049040772369878428484994179023431892053254115788721422383663219013782630965310517526989920574933843380068820590985117022686651136497481004298237951900133438577331910873164357792971695972679091681491011896971747

Factorizations

Primary (ID: 186361) 492473402286599578881876657824360415964211234059 (proven prime)
(ID: 188731) 4376199702473556083788665053585194370649468769331245981257382366227972886391055111974690019231312008595988431583005889073658886909808595761358106839243876069769516819474053236331985598826159287819215323563097617802405278584862458360024349452359948464615640114512520942984687431068995867749272336908612089793667180325460508727320334295286125418869725579874178441223961927653780410695018813260419508628351332909622151490493199704062171083793492588671856355629185946015058753077879996925464583147117759597316131836321330091614959637715564810959883028162393393175541627759569041230179649281501944071762212850624834597258759712022069264409764968910060514249703823054649445554468395745081834928993443727039382220273822457470638154046246573601199650919777400978407983824765382751783118508529751747063201414831009203430424563526124498600469987681053544620605270494139357471392040205930672038215066269103351577927600354485409745919458846605642183140755176469771992129894449237702669197685815461277537482851973077785559118989605085537079797437478416639478992474533484474743429764512646593398940076546626740469070704525212946144804233 (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.