Factor Info

ID 158668
Size 1274 digits / 4230 bits
Status composite
Value 19031619231825085507948471387101705307996996524074902142971718528991096805819577600258128866689024358069281294286901072743002355314778868247224093469426562610623686986178257171408980894554697250828936687150553775565682419631707704334896279874793269645204304340703165159622579878972397974913487888203559064400217110680941248566566441101087825288179216572276645864654869695486803530447545455864472900206304869018540748594434387432200754267370883843641415361510232469499534901909229325726727012898070791525223039060844138241853274227444721740931459169402924217792753329573036043079045157044362063054564002131295910736725098721762350119535672582102634432984509997012481937866970056393846757916286907344614446010326052178571316413301415738073199721769719530850777961888949298477334565480488948266815481419326286568621872599298359476341241598361903441390503115391943496717434714050003769553954627568726692988665859294908805594447821120082538259130540454771520072997408907442027829984106395764537919453872959844280952474504033251237936578141120253718286446915856653549695651663399078254918347418208541717386648335154633240382364764836284404204784828979645609167609890179401256690785407003845012761313237407449048922841988375706215975948527512657052689679499031094017900778283024951

Factorizations

Primary (ID: 4177) 26155966684789722885001 (proven prime)
(ID: 158669) 727620564025737038476647246759451702860271879104033119016127968670531887872505573318166668806487544151792523270136159338462055394469961324360241737916104992265206022694204464030096218577148449689567218985751719599381725168930375458135833190553245482204855095432976641390804364678789654438121214255781781658886588942888311865121532154083448354952456158071966930224864461276622946719455116999135373903851225899376073333298199879048200320771175892524891576303334229451740773884640925216777355315311713262072459475453895357645201871432449184154144379671185873589872283449905223573187297099407969138866571805037700133341101256270826852924393706465826783027628577411563437829543181158961374337768473050631448098857765980520506645955439146406089535718801869153971625830411748013727027557922278959012489146145076371750358808849298981683160004345823965947831198701687972337370698685174755137774794028846432958424344284617226917202178954038820649093602371665175231278943881200816598086236547818612021042901248151122689279590596600266336243924388645630757991356339174454399288138479884305919210520949343793848145597557646785974367807296449738687453289282473740992857570433526269360534007448452195198902156050128895982310507589826876691104816491133770259554389951 (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.