Factor Info

ID 72728
Size 1157 digits / 3842 bits
Status composite
Value 20789427996885507574923267911934630687089823005005130229228649327610039941849337642155454418348595190773756502532464904610663741114738896242784768435782220579848397965107851833444121266781304448875020621789192955601951161300789133841210650495451381809563998959720596294017225472676787321930674882946761010570420812514538915631438043732700016134937226673444196917415267176641449130960955853566804525375510683855367243916191197991777198314998934400978242314186829536424184791330576727410635856225135000803878594971221699506021642928280296422407498899479771332535797174278771317775271504286183568356906302960395452938269035820155817093496982357433706417163074078537876468134839819781107078916579614180727176123710691959112909068678421129356174335272990395755226203860291392153279143284221012936870541077217307154656058958935481189804709187291623741974069430988903519976140188718999115484543512447716791604056951838430617333895516440613467523587898092654436080729305079095549406349311523301688562121832862460344494820763280023023148755674540151324976004141680482657195972596188287982778325431257699510774467033066357440676189319330651382039529855993901001864533

Factorizations

Primary (ID: 72729) 470843234590942252073861 (proven prime)
(ID: 72730) 44153608822577398532015608995412352841022633559819753886974649643566164471471446271347052490584185447544871197124672555007474282204940269990386613061612018034874919005357369952196744553365138031061710076451130636700577260383865254677605912889683231812727104099630549116106189547805149539744939587562782637197283940636815622377734574384144412290031040741193885597507429729434577445366114582604320665992806462156150785122226051311943429476441815692768521671427034409326806307315933132194625557558648351409437642691923909002443714000284312729459468743445353423194744182265435095862182075937492412077207199336668190591883557032949284672886225365274272890590848263532757730401137817379482222796102047243535327186760933594209438259767989377695962337223553216574743780699840558681775762991219639552102624933068565331957854386578701151152304486438896322853190274142618077182658647218282179565757454086024223374034475846327677481285570218913406360797027494027349729927386473529135960368284359685916909796557170044254326130087662558039501750419528037169931005723244580163317495253544094914629002578346636256693213111929222520464611974901975953 (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.