Factor Info

ID 21797
Size 560 digits / 1858 bits
Status composite
Value 19951079007360661557468288928330149345686200018796618945986183907348940819057980096222602814401286372172336464149847927730648621880600188204883649808559347136215510212315443371482509204425232150297829415997238970547276972457813925640842779406216309351447216513323002176149850672409580210731866729049344953110961850476302104985673874941382866394271946596952297721840762329641341143532259487498312889862548137908079031492954292745683048186379757320375388263678806174827603883632235319265733733874221645570485925943152301089388442639353435865978766407007457401983

Factorizations

Primary (ID: 7382) 6655472266225553901469 (proven prime)
(ID: 21798) 2997695461613770873263734817439697346373475492848446239802445185341682340607945797496682245273776200296986326009656647469564590996783991146882160108687157150946319462485035088467599146358459725003849168023731035957278334622054102638205115313055288421979363845679421279005322740215573409326372542720893657307730175331225289972078533104051809623661436801249202295835519783817488110494770649164432474253084141456941503793415229099380996484659367436448046935771024408463701180219209954649296564275132425270001490452740078954800945852174479307 (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.