Factor Info

ID 6421
Size 453 digits / 1505 bits
Status composite
Value 664219703312494784828154499601754909752826253853235596727337457026610448004273696777542982273049037502423077095799942370977742722895404428370923393029966900608966702013427893673387648788736810539830132208378303315378553103118485129714741251883473887302325530891624811025411983435535965032766942756836489670171967903428751405763756944485705146464126292514585605499743476078414449221882454106191386016556459602127350081451497418259141797451219914327314291

Factorizations

Primary (ID: 3240) 171857646012809566969 (proven prime)
(ID: 6422) 3864941239000716681502346335123519385587475202567263720768206330885889085684212894649824762600197406414965801671153622868931465960314951047804559892849676704159774794200858875787892231352998704305300759365744626902410227009976281761243008295139910759994398659381107054923735383423860090875235858928753918295575036488632159197025221060250885268792832142728454783910443927190910051438800294950105617258228529350593976880311055764622539 (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.