Factor Info

ID 173730
Size 823 digits / 2733 bits
Status composite
Value 4007064794897184189138579676388643444079952854680043870169695646914945043106252426972168329499158454177210650279920304777827173242545477474076517568855013353569187195462182690713779828877146288809584816519287188346282548493860971919571362130011358542204965936467857636863260327482813329049172502958343479053304293226475340782181701576412395591728315181601988256781099491595466259353311574974640799320499918796300189586371335821533243796786461114160394977999950157918618154460597642811967013495123483193391015085275836266848159746607360400730932392761258945197276764967749922476608616469910783954919955752101259686302007254048770447468950619510735289870252940316262618597823144506636074960600630479594077161744480994964247296384236985321067764705223019345351132809315927224519805328192187404598425841541737897803371377551837

Factorizations

Primary (ID: 199829) 6526761003780459044796289741 (proven prime)
(ID: 199838) 613943852483060832014825317782243537426537679340222755802591374428735474442897071986885292451121202721792528727120506785036249608854679334633997586225659379106185304338020703691544997443275789368879582339466019766311326530318021459706664757340409771011852037386340609920195619215234356049903619690645273518087815742102420358452336364925432329345404567693962283153323777491523337894448668309845827875015041784782717063873689189570450383331266621508721920987419706589156352861350402426110639099826798469516098954976716195178176949475547237069785887913089085206751625072287830585671782769589217848410040870132802273822469784114262241787489208473366067904995386980855129136414268486912718451012742285291141220754291485750474790634711282356641561615275374972831411202941396884960744787344627576312657 (composite)
Secondary (ID: 171811) × (ID: 173731)
Secondary (ID: 199830) × (ID: 199837)

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.