Factor Info

ID 163139
Size 1278 digits / 4244 bits
Status composite
Value 201451953610916024403828003338891669433929089570792929000387232971971428512835155594717101534615067127326319259895228320351744841406643584541586968171316761411322216677647341633436476065704736223329728991443339431684586104268219778665763438558097687338780507817139896010179323274330847323240664030247463848737503906560550939701592946835965656724760834176571469963179126222528167018365951138067982661125029376506510737902757039232726507556561925752844430092985366451059940166427419409490916780198056939422208783771528323287489257929892664571718786627953170290916360192068679409272022383701960046350639734040779755124208663685107257232197574775526739640423149956000249792654841969377084808111955975716461149615256690387819301410894749936077806079367987098742594893355433181190017445815295785341434068282264653923223357010671193772567426267880300954247394732505871312921432394675101908554168151445002637715285476563281632720784267305222737126631503412908113689121764781248795864754384312263714691596440872872811650761509355719094968289930212330162261714787017935209952963716067629241093997360173957994959766430556521031765729622876198735874100364843382216376210692251767090618852832042811280983351871544221526912446579689823804959355537172146937583304630671282585073959114915181243

Factorizations

Primary (ID: 161044) 631382794867241721251 (proven prime)
(ID: 163140) 319064686666469115642052700826126910849308696451533376448513659817100902487480669415785280825818208144128377544233091486140596653973942361440235803026369914393671261774419460266660264522152760738505331756982281030798062364700267127183482406522470856895028363211954421541900243478242846687129314614049070800034628437089396109701325019158576132491641381846388691105980397162037286248405653351015567102246775628570782263693163573570433986029471344804459169046004254381778466697502376126172001079070015287629930845699389217687571102647331830145499225355847204671567732704704320399666706557858485456914616817876409008142783391839591551681045983978553742379589193152953885075950946742273348819986668595101584168804658380723652136971398355372411181369328748369230327836818854430037278902503256168615456404059076650327723025804712099313404818365730522231168434090587900327390985026168637773172056778039682226995007729721342757739447019983762183001443960406837757519691760431429091210299096134839005038026330752248208812167819554919656212249950596223152883710838359284935240242248464451323539672167027895934145834185806120095214365120207049419855684734518940994763312046307562467775229456999133977214375645352902945935047272649569247813062842753090529026806594729993 (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.