Factor Info

ID 65553
Size 1013 digits / 3363 bits
Status composite
Value 21387757450158682153309728756874683260323528446303138548875267954822581946263275653515466444229406275473208517361082875598789347764670783345265540241352624918758774528057535562309571652850141644753012565901891978708646546475451551488052894696115660289576411848572343431253404421744122571087886634101175957012354071360523983260568274915361226687609916673269258717332638542868065759949448125337966196692870614677024097670895824571358985935502494315644664313439117838871372763078990444386453869135098056514279775886804767676835774658521980762248281026951839160069638823995861086623141090199906926616994183274741369583925369828891993210892476018822984889570026643833084490582673665147527439736122575417587519725982352229989592889102173559957895336949884718153379151404285001591452390286295034770928373802850415881499228386601743190143542978640144014338043116950948141064642885118156924690797648145097374096461867393475872567114791762282055471138655366136409675334254999755050273730787968247451029692208995709871241749

Factorizations

Primary (ID: 89788) 1976815271971094795525780184146983 (proven prime)
(ID: 92237) 10819299988932610913053361956209780113368168354831016433299961220370551423645887329184884701319060074512798995433038241393757711114589211207076770421700397614546863175180066105313204012969518588327401246181238316357093925282301748583947860363083805217043224203868923290341164534720666721593391382703557410237235359344617655170897042810926119138157273889496512280589602770572830371453593726039599490305836676496750598539369037477761529156573815291202624621571062076803255841457964786798665745447902567802192663136725242922961576393131934862809072002531228841461057215193257394455966247493212129229593057729330082781506594843706439160834174702276034432854395648393226005383384970722361951105428715698421496537100662163273850788134801441319355308848997411433760098110371990584477096542432831349444746871518629167260475750626667607870713221265033142695923247894022327886652562769064986756058023730731843711823724900789751949953391783639055130911809682951441398156790846176879339317603 (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.