Factor Info

ID 91196
Size 578 digits / 1918 bits
Status composite
Value 15531871519581483940577191711867447652159412337724321970085716360708222838219416133166914144638394371286842713527462196557020406381291761159122662446283498088383795641476618567705752664833914184714776095898502179071192659408129310903098738417239758843992742153320309234157267873499045064542746803102846407915801750584356868271328384877120882615286852143389044527016754840924942185067038276502650498116042814758842400578863504296808446495611765294789996609975912861821184730550720448984894927884546873353719892229396384886886569764066501196865953703323599092597520788497410146177

Factorizations

Primary (ID: 90198) 9132721800443866620901717373313374783400331656213553340944715176961 (proven prime)
(ID: 91197) 1700683745652539990123417863453365332026524861970698624286109252681848944053323545193416397558309436808033570903595757053471236633013726107375397068648298427396681114756424260191197119915499298816370928807269223612811324937318209323601322492488324143715907463511207867653163629088299722101367492103428797426041583745102740952636413810964310022967847186336402615767095516743970894014952837882780203745855462124266268777101810477988586870673981487837205137003243776316699272228150179740775059705155951071310275457 (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.