Factor Info

ID 81567
Size 285 digits / 947 bits
Status composite
Value 657910125947860963644102334653223762406020108936795417238488199778527538822052070198855806320683297480534081541539217382986303083853694383163784732190719112883788106649518717037700858046872755475073692001826422578822869538318078254715436227542058855489974930483997606982166396463695771

Factorizations

Primary (ID: 57157) 8541144684063565933692773061041272523162742407 (proven prime)
(ID: 81568) 77028331714766276381445334297203220173162740725984063764539941716270813426396758692979943119558238845275023427271920839058137809187103816185355109235241770087405995181563373672468690377694506547704614048966005832101451635018783625002872653 (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.