Factor Info

ID 170666
Size 538 digits / 1785 bits
Status composite
Value 1729857908108145166771759722320263951925651394364765573040673771026799066309431607676985815291337939981446291065959681786854022217911716865061994549475387327658886260926679624343945223624503633909430293370797107751553323605977189471255553805719576196353659226648446989273484876434955014517606294163177232697972903290290540931429312064214272067605577674961788912614612377754660791811702574495476949896544348929920558572428732248957825912309153810289995177651615311704070992357191399433169358281063223572057590760401918085210452661366999333

Factorizations

Primary (ID: 135630) 64042071211885181234694097939 (proven prime)
(ID: 170667) 27011273610824618122706797815121481481999672174248153254447913668555076396358028444516657388223738440568731553055275787564221572272305333985642369927248410542757812650662491582918222542723572281898776924068055990645161294181935229882100597881773445887808326832545451455647506157807199324820513335038720786710031240868836366501672309291882774339053376945225165992485186095098841359848449570969271714973925505284255338512785884602120900923711301117033585316362367983781911380322072209188821779859254788044655847 (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.