Factor Info

ID 165988
Size 651 digits / 2160 bits
Status composite
Value 127377157715512490942924715856050743403166864099578464118768888113921861262112127085788745848401067939140181239680080474063904979102238822897698252849463116396594445367349377894802370165060620715407033624354723079144793336890337443219384989906088808539276417289613004092253848153426682166823514289065741403201966396131287462892852238979318018304174411078740385508254628947016804264234139165755481456316613723350025008389608017062977243066722383442664298668887752001695354500153919252726536693558216559729650376455058321344518601356794523352865873777780433534064679277756426049987596702833235662479174282602299176820786823788612537785573619041453396659

Factorizations

Primary (ID: 17228) 259666046866989553234678839986188137176834471947 (proven prime)
(ID: 196912) 490542214711497225815399192287419570159461655461295634581280849544397224449432040871001562204844826928236898207236937532521537738922302552895683329879708872967125805883482681260870957364033500763075117798017994572560666633865929378406260099918240767435852070998796033417091338318587066208380669539862191722531244623267546102508762963645952125903702169010311155444622789917492673971707985032146550729206418427156151488551810056501814359516180237420817745593919255035913055344851055306099960214086989603147414346971267659545900196140693343540327758410541293882614252290531252651998414870356197565840437497 (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.