Factor Info

ID 156971
Size 1129 digits / 3749 bits
Status composite
Value 3141281581388914709254472959616449101968458075978568500436248788363835416115048264004365297552120223057078562966196178506170318319842093863628486873753876945295871894369317051656288963165857069598695876879823724623328191966952064188101629841496583897523550396476648653178828707163938455291909899044530863458632259243819281263901299270362504867659726673294920966703177984547384582312841994960059769910570224974158239192904248590507733093010210188574669586868643539196289061701909152927299063948042644064388955197525784178734151604688724054071086941125881380528672013140745202557564292449483277166371655907893171402451190567839430051417138738437363870668685519142569198684199144226894844148367515831529629323153170270267042929423114538099838382320990672464009382525246776094607857289801789484687668693956009339210818066555655644628573990598804564069683158294552920496459769297807639669921784682217510350099164223326365730485609310648682104986845801567217554870129756808238652457820148970811342600986707773041620906222159882495656950020519310611379786579003493613297379899315081740841777247042567863111947176658653108682757615323651

Factorizations

Primary (ID: 155606) 427813176370045109029 (proven prime)
(ID: 156972) 7342648041003308683414253550976838550490514684635556134741298541383498161963466544001845374585105170864428856146863808270108874702156212792213279587418760048072564963965288129092285042816219910269948878279382155210147086305392766185153425213447797744594155470981483040071933104651282628047041617820975421877069208948791081655388568447109726819841515569217208722415774746213027857003023433656848713374783236364903838195511608451136309381163886277035104151551030126700019120051451836704241500371833554823816981649265006083847661089047355546029085790362427970729009798630347820353686110870299597615312014678201983500859471503467270030293022692093518306586631266161638235666671951619288194409963200459544164402321650444840967613944438978270062630934041134799839691451366639020405416644864115467441226524816232799210720022757501252513272471965488486758597695192827379341121210653750643459494925550095270744166892979153717912237694010770660255231775580249211848986040624328224445638063059803214696135793578869989691537314208063250820038848169279298099434983484322610836621180820841102563326328053620304276086694919 (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.