Factor Info

ID 72371
Size 637 digits / 2115 bits
Status composite
Value 3788863892624317742867788286116839272288141942414354107040873311883914668270782090790993546293544893808131775744292711964124838412923420027086927619529174028905017634707177111313978687913832707105464667769418527995171895568479815796561021098393767232511086769206999337726761261387642760179029402905029322119061651432249460219839305313873742567389430289697665800912856626009107605044249001279672521613935070073662601535827789483378904117227748104109068903208243773007993003528341127527071300209386048934302472698151442430654256192069199982416034339499122557676811940823716665365100625016877398909322984162409930992997563483095130865007219

Factorizations

Primary (ID: 70521) 172311318287603732461390609 (proven prime)
(ID: 99790) 21988479516478128051796604602341776799176082292247472050196159347046668170938095987802023662876353845196345640315639862453977146431349832217077487691674313911928973689617237062560046820577228607936062704222370569569688728803788006524447478034534756878709908819275839489478063897814456564000004094874402930107539030750095749408330447206286875675870439763836376549305758808816072140423007896126853943306721150806561039270713946599276639889896578268416564841715544185145916505974105772307046099993225866713190619582828959000177319539360930923942356128491532938334782874437282242280834598921662186542441391138260291 (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.