Factor Info

ID 131220
Size 964 digits / 3200 bits
Status composite
Value 1508112015398032792030844596108626368003620285576045302261743829917468805105207327627638028459670850868011847427492106640969538251404522674437265648063198085792505892220219590658052631192398566288857554524359274842504798694018725451685577643327235197398579894339677065840760509916140514709247055286405208260612151489451200942565013198482475359471285227477399751893783573463579316972899154209554512806064451991926823452258233106451358221327792303230241404240475361738422175756722755912378020837858469267818769422309596258274056099549603926705710445812010068233684826067462963220098066461045657260954789228909878336216710726102125564081881362141952648862251014415913137615427168032831368451049611521566878748141714764878625309555040571543835189382062009568675472174187413856670915019174197896478630490537390956535514068301815096905321526431861419988400750001167043416209291901434520323424427278413366719379122809462990464952861716250466239288922094530680166136318313

Factorizations

Primary (ID: 116567) 1996360073997098794512218215230397 (proven prime)
(ID: 131221) 755430863921507404479826021641683181923673472988795382177622426429158657647565285571357777513602654108643900631845245671223810458887677871310437360894035617490805207986308914178789377963480355168269193992201032874003110176366573663929415488291293626663382652533878149391573269142224178603974210205328507024717839478678312327976654847125150147716263114838508548361615804263390909780560485054511591809549634658885860077077437925158925730337561216191719993450610409187238655939736131007734753650253517428931497827885763388436290884195053468419594157229269300168779172515575727066044331453491367432780130699129051540961636417009531969723775913115737274956614961629338858557250397444613569031320574383309679770933488895343115258304140244848026027852267196902285273126116559103934045993650327889558219745907410849400896239575651510515715320473298451310605099958848870573120571154243017589136475024825089052344360977577796419697722374429 (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.