Factor Info

ID 191956
Size 1153 digits / 3828 bits
Status composite
Value 1912585463305503167307451492085659263290335492350652508242181496243609884223924589635233189811485763277938525829365127564604218700571159757469925775106853521419652293793019415505803822009722171169690941041750779892691126929228619501972507248553481361558760931781996292063080311552983765902765367282499194009879927307480333528397122904680853841304682111186377551929103335295298085470593309668596554822045300715359403576369857718311426031968189359683818058991217609345962729170899645713168237259162892597087038476022897019429714235159511482007233355035721810186742289574028577113397475148182610804687303829620668868658924131500997255644706688751295978433674051953150766505744514569972089908872423086674430636209575546242942621504639718738756110108893936118828377255863788648130642013099487655401510328039153330791517364176586070180632846374929928347288090193515285867595778637112979473043234724510348398144295292578443355993051724591253744005532220286473974887619072447674708987921271928536269630940150670155303203012080291545868194079978777576395440430116028783218287231468660605961600052497732578280674843420099317565154584709645398512586307238877783481

Factorizations

Primary (ID: 10937) 4148386731260605647525186547488842396461625774241327567978137 (proven prime)
(ID: 191957) 461043192741171822904005673573403031941311085657187709540057963397515422562379826150256554701981181623316414082854341453528747209409455189984529753510753592731728590033336818270635858632282390185979448968701199099871428109791922053161928046799311063619958200540791991555229053999902902712870151036567704103454719234335423440703409730923731110316572498064332783458350840103169037113724839008562453764703137831367194865357895177738153091883826519183335478505290461714632262045869555908216145862914339246700865946125013174485936191985180837618480447640618284377094957815667320182103517732391049262521610943066466703580617007440875787789183367797911234991574153371153363527081519948223196187975348797335149572813727145639433278346062703771121682657593512534162676249586306664971270931436151740546234752864811785448031674729869664601066674439836865274622409181868864002830875500418750496213529617522100790844326534419292563004553812772348892022633760614052315833393299668039845629573095854368858817195211803495025842042122150235218262660143706886776466173140735543482395147952001910524074858542113 (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.