Factor Info

ID 21276
Size 435 digits / 1445 bits
Status composite
Value 528345797413138687083133111971337112399497130086010944805869957102343074813542819960183541451024479693358728778327130273626708344979461563858201795216102331409899222895217677957185580377863027143625841473976705542416191608650682743607787778144740848544724415745878847364478808593026176531823241149596587396241708106455202608580824889332634435955459851539048220737771785352511394135791382695462055756862952628608057888985996957467563579

Factorizations

Primary (ID: 21277) 310928520390594886861 (proven prime)
(ID: 21278) 1699251637480600640922321688431665213011287493601544307118017018987845117287127496825401225904991768494147036200537230641239978356588420183894546243442329533159614807005992838998299214495814526394066376989303042128638428090070474447920784152069841409133529762966597523948476971505373890608097981793446177620593184849838468946015337664226850930966580373906659441274917670187596342567023046406158851675201050405216039 (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.