Factor Info

ID 143076
Size 1277 digits / 4241 bits
Status composite
Value 25607312056443440015309479155693539757509017463845132797169908497987836906017733595474517840369110923420984037826767056293001945441993341503749937542759876116997554651947459222069734477159956398885481423221858244883085975500864171635864280797669538078900299006286123385312387976817008263112884905194289837159774178129733245225829767154453360739586963293338458612525748055473293191963768161194406298747555275304045081824394720866458906336630703010452953368769779877689536478896229799177709626987047179180040409139022865318551830021466230809428022830841376459912231936923917924427713593686942710971239121595073779633721040796240653800147630625331394439826538843153687685182031295165441245752525437558825609221105623275417537640902922123704581653809001673732176399311287810694150910494058551610126179314171454034729179548042910948226185264559612089940317593948054126587077370050677407936468108118747747993651289451689489225009646225865582156412256945226657052390612319057709901213164596842038655002288633886446165607217877211347880499085627546700080656639566558696164930110323197470129248567509526290489840033903571608124895353163685180761181509403861284378778709270978261731275745305417865285279692126130262137657079169859541415551868953968914556309271282131514592959523117357707

Factorizations

Primary (ID: 16691) 2662193946798777837030305003416365056937998391437636615084793850134045443158227244202925103830353865072242023 (proven prime)
(ID: 179018) 9618875471952596601374485216365586213368443628442193751191666080699499589608935078564069055747733747039929368078311973833664025764453534065827298976461222880914045579825467920273066289267586647737242727539411270201398762685299225131171186133954635469160955255525277684479973613431625938860292621568608683291892285446877843146925393106730076309867491380621533895350806413964968276279359535931252591730934980248184367235999988328301143449741468353682286705633507377925969198493543071936503517967526229331466594902192812742337332156467792438613654875438561398846433200067068694370324724506617829032438119555698565084818852641586663519443913416958011837515700620676083332553679129154991532357407458034168922299799030225109627553395809312546531021929571890749982310529961397737568885777001728583602696292108718296757604262700909828558292785824200617267795766390221611771223254031739747282674703634580987567167370633253953031527859572763593773890665746938829860897328455476816662021902125864712604557831659068844344856276395253048568088063049878385867603097370617545420709315823801807240616735461907595570655692564234157890068561006924767812537567756519299824273202620616509 (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.