Factor Info

ID 72920
Size 941 digits / 3126 bits
Status composite
Value 66886818767259255568226363496370455831426170426297421570617498354714995180311607267410403321888892484934568732037890084447888691141214287814818055458514464604747000924349341816905465106329056657275637404974593925139178240888103887393065372066981736688640012908126951861422203040816219662369057996797159704958651444530674786302728472204147013698153445301333940120415544141501657195287253811750968601754504566048567275226388254111638616983884872295284563472488263258015342866618553119178590651855852599102319597762817227294557535157782757446955613661514504741562789431117524918430520780378788398453668864955669671750999161409769497777075708619794879619439562016349919110298946019941211144385136339002782429845088076336489961007128051828821710396369727255369865231585384319653640065346082668000589305431889151822015285531677975400438451943899370291433342936346311643790851290144890320164482036884355105253259383277436829501457165381891524429633

Factorizations

Primary (ID: 70547) 680653156857066936553996121 (proven prime)
(ID: 72921) 98268579368838635472458763604193261973440077997224145794327257886326498638610814154539117942017517521009516114461005835247109611505957685943636107352500795536253186854694207371924450734106893229326246915522978767271805254865307279913670899235617242951812460817467557273702753883209455424824280446440345291586738965688865906482766265743894072875306152230288182721130231498815345664806591871379763763809722543359250427000740847630981884331044336340892513402195733121940779048949427355532748524358219964729977796818941385620714558423971820631193920134687928409323200081879332542532865352286742637297688279879549632240732429256297015906589232774960823127789006417952313124098736647255967371026866807065035197136885396732868050499187879301678446949800321336525044500610204762296865728043820404668001295030633432395860738826937834944992191762941789820453667560187135235570771993319610204065229288817596150637326554296873 (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.