Factor Info

ID 155440
Size 478 digits / 1585 bits
Status composite
Value 1312007417720374124836875387409802099316753130982094168597562011921266270849836229779807522220107426396785215204836086496816154548536025410190018702923531683579880486145195329600224145267167880179947111696813090737693995917884980408756432260715085387144123141358157061098149658221950296303038903205594538454202417156561527039071957408417597361989669534367376958366852780786016956010358982584333990586493466419334063166411992242982009335444396639404331048496592369276212648457677

Factorizations

Primary (ID: 154632) 447772934301264047325373 (proven prime)
(ID: 155441) 2930073073236821526676859121655014388338774570768648419044816563354330649541246241682362068793901302747626336903239238704538202324641061258857008674691174234640607771806383472651926941448801677243791716964160331160498991374572694242277562888770108311824966153272750850058645416298828433687156385555300155470828916565121686662794232148419547176484642998195323819920696868358286035058694689953339483597701117574946092638833102938413210090262842923351392849 (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.