Factor Info

ID 20512
Size 342 digits / 1134 bits
Status composite
Value 171435806727572703303704752734602744968224253730997127089108437673289754966163595638418102081395851192586562018696421596921636156393417860175916326017791425711380137213609079443347532235342654034844994306165353345855168385410614141169000214693756921547448053261356039364580157532463404725435143638169409707531395322871858591190568872856876239

Factorizations

Primary (ID: 28680) 406035951351576559523899561 (proven prime)
(ID: 28681) 422218294111426227112484377751313691011179365721795519684882538312364529840462296711854686923561033568641471934843268462345683062509143652962693709303591931814888519081785741024211507369448583056742728344386592729973335977103613101168932881037855848173281144280668673300644483414493673826372141094225698584132207799 (proven prime)

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.