Factor Info

ID 167520
Size 1389 digits / 4612 bits
Status composite
Value 161541106739922289410220921636570676095914200735872247407381270281291278305245206775743025010546458795112587451105656358687340630190641093594507172243226480985623909384253892962261283166599001535863713589219279063260263341988831195014402421638257854915452350809510802690654489561982162310139773710380239714550144020993370994003020502612923820280319306936769544070730178746928546869382271582712674990623852550398171647366571938869967520590790407061938004823944762636609287920475625487565514028271785197229122759737637887722230264052874958832054290283847253629178116614574503420896565221111829430030878975074500391324167247857659649376964993272032839263649591096295117023298563431165050238437452746729264918664846976403911880948155396434062052834379785629165247002250237552484094640636050331267962478404250424741951525344575723201792817659657976491000458071428153537475170074056053625740116168048230990317031768182963464273379810007599641723104461890923875147235757498811418969468062100959515945810781693430508173496083914288211454136430959351090714786403951699713722829524442003575668642725884238266589326301593385869032716660761692625818987379950163210189389827885707447814674012920702018875310016213127338041361370107848079821044772631747247130946862842299192313794225732318109194565602123138381792689691834675436053867226485562799451928613428700102144979007980432449781154973634045595781

Factorizations

Primary (ID: 7477) 1854850885886497427178961 (proven prime)
(ID: 167521) 87091155396416787552846521239613535712252677694371727511055418348808711465510450897114274086817279271038451780094832864122869430085278983367257647146921553535779920881824423595077105167336875852105262297814175430991197576623198923283628547923994684590143440448931872182712951465924960419840393593591483879022950783035489294558898031427254819904909941488620281435370025141245884357322463932891434232107833274910760657184013479850271558190458037335616728268228438615995434011159232667787958661114878043206377505146247758848359307562780338719727677193780168187797065031558620300203713664130207126267161558712139578491587790439186339715700683171482566690597657389948463181915384962942862987919028947479137100126027899807230551292093562410774490707472652992890432170610311183078937434629767803647301222612673147304419507860994035992100309208416129028427473568140669968816144417677191838048785396514854673777396207919259476170518503902068968548422532261608302118637025634937421744125590814877979472089024404052507778844337397543188746994482280856448246652016817632048419336357436529044078082081856973769441880512958572238813910820103445730927015500425360010985875639068643573206855126065497867960320445153471170470540358386774211595415223981847245037750558320637963129599149826961914953039567834636501152588100354691944854557249741828105599165273907022716746592228501621 (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.