Factor Info

ID 155593
Size 405 digits / 1343 bits
Status composite
Value 171578845990908941428359082874345435804913040692859913361489366606326830203951740404851383379045654670130784567581030754532400242361433737435269490145665852527288412137233407166951982538758400756657803570608996073543698584766413169667900449446467410827481549271452273232273794060175201150774028791764197120717438208431248152411193564755509576927872627112791082935639562628695157692171225321003806574126029

Factorizations

Primary (ID: 154649) 130154580611883020628409201 (proven prime)
(ID: 189542) 1318269746514352909656421718378484302132736368678062710790872591602987048959038248864348859016096066573478020234967317284242767747881991390530785962496267767212918511296646283093010022436379285307670707606852054874916441790756011735672365720636369633550573754479816450932778000386260358471789054297249951013184628893976065949437702577576505609630663919737184450995040785773619229 (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.