Factor Info

ID 128273
Size 526 digits / 1746 bits
Status composite
Value 2203785721353479759534426762280937733513775214891832230142375899979149518137621040845292442741808801346686652406549810049441905673142779046672879186836948103412097296194656911967160651878155542313091614538412639913956596360102053608640463432706378533221486931886394373710369542306030078048039114870543098938970453139130945365017102012133248982352728667927540723042249459189338635771627173638805501419965133720233164496465592517891762007359493696795664748457342931928054669473689596125647832268033688305176468688911852980198731

Factorizations

Primary (ID: 45728) 44880947869994501075054379581241898325627426706522382877689328360578549344673 (proven prime)
(ID: 128275) 49102922864666979521657552611937962606046289559205652425829831562503414012106853343416727628767958710593392484859755725257471938248131237507963219167705090109688670529276729473489045105382117443543186982727729593878145955891252469168977891428841430935637377476838123805337445719025673591856399135375519803775944843596277766311043570184855065462069812726898836602172865548578683293422341408927991102864740758458513413341610593432646993698943875536747 (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.