Factor Info

ID 143964
Size 510 digits / 1692 bits
Status composite
Value 159566370274153576785287762394094714602325515154089181680262055445807171179211814059299780038292477402205226923989405196228395405457471515875221010485020515359118494613100430011047979633337961499095538212913795894132727477482142073998083908961467486561843717586932691183067722970890636867392407409424337092612761523383813533337374500847871606099760652676099520148519727665148145663702748575180446633016344574358424038215168412032529105546211991565015689590032934475828229366863464266326820316146164973815806589

Factorizations

Primary (ID: 143129) 73355903553709150436991421893506428181 (proven prime)
(ID: 179765) 2175235564474010229007119974059008756395224723782532613194779392658906857188428620979275468531085274007207457003669731009863799832434638131064574736842023042441937424696293633252454710961728648188586364424967178395630534962177229439677551730403426507587098324951441561405172334742117928689436006371582852213671801576935189723890968314605015817042675119113846234470256326749980240739193976462895289015691515243301677673984502154664000238472701391863050958283100103835124169 (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.