Factor Info

ID 175118
Size 518 digits / 1719 bits
Status composite
Value 19387656451453103320460632111380461028957829456533570307805367363332972827404616643825089230687868830715901568079859400864425922677558150097806367284350740452707261423703602694958055225630572202014306759111606045701765113343569307919476106817220745013158132996044596244729398016213142737237468123821177131240932123895705991015240426558192873912756180838436586859511521336705629330728754114307843158851160351703508717880765783860641644658553554055818144649734889384276631964971112347971438036862706781374695315645477697

Factorizations

Primary (ID: 174261) 22177342077152073969432571342589931000163982179083863764471051748899524076744518632267367510923311879227426644741353927972403043115867461046872677 (proven prime)
(ID: 175119) 874210100741828347292565152838418686540988151632520185255145430374252513630132154156431156696075870576480990188916939998134473059073437781853238422143916559150072488423034891525012428106415471063211267622921362083555048032604475033803868289850747568904325846949463139504138676595623418071491373206827538854644943083498864085921799509254951273916832792621669796877610617261 (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.