Factor Info

ID 180881
Size 990 digits / 3289 bits
Status composite
Value 681037401502087203039744885743326176639950531755724529265465287009692296760579847322963397239431301198873568510349767519748829488176139949922732677609328325644660578743297547135893666204193183345532010907729066427522134611717368432379849805219712627539088274138980541331228057440534636375902638176044636786674546378154145973251202235292602738514893282080201000237291628607413440426123459103523979799491374524402981923321132512718969939875583580582259925863011958347147560839885503400018394951150266648997257266616609882928428524409617332849099597325504652868213547065186828501134690747429157574173326510806803175639150128741625106215732366562148285966324469276632527674453224251809321269056714090990808493788982367152266286322857357499933774021385487398783207425618253394184745410081991366085062000451530695069862261536827326423668756502409286161351677123127034157171652522422450743020180897881668248396687520007797207099354491668739888800412638573148084499719794964521631065304534931108239

Factorizations

Primary (ID: 179399) 4261656875091257913987220561618909939548288289 (proven prime)
(ID: 180882) 159805780113985282051465519451637338808729996847901219831014932579990621057867007715468150704870096964362446457546354799884921460300512336637660531158289230259911422675727742656395501975461379106027135824211945603325148919197702057900151108375655427805473700747594839298363079254934766430060016118141666586389704381268437700599433953489342848011392362473629905017936998395433121681039574664884333396022503930515925167110052779955580850951303867229180133864706181571399887472399982731453382295413792616453855528441332344333745892271557341788271772255642300148593596000591959506427736485882796671686289449301690704038330831681814959719455675553383712494331433171455709161680887596647897767658374044433906550117407533479701639016266095609499506589750417583989560439001924955079402509239778269917810920065298300993623994687552319452917696434543350050770255519464071137097924681520412384306023973305340247008702564679740626899864582252250550942949551 (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.