Factor Info

ID 197769
Size 663 digits / 2200 bits
Status composite
Value 152241745702273634515585726468183750476151125660343632803960564295844261638471940248573746786201260934680571498394010279782705607147240233634064802005974788325316621905706002896285466331682727830346733811360177005955702334475656271563608053263741109382853636270348025004908779208036514953207480063597198598673937034732083472375590166260981063149247971898501317457427363316251226694043031083212512927349168791021169733735862326016812080138466825458855505204312255569455221054998252613261574144205737956952441369938501864668518837105490060110262098469504751963248274089118985760878053439535681533672238519727148111793637524849907330113323831905940107441855504356461

Factorizations

Primary (ID: 17421) 280970499723962289858902531662958021839590057517 (proven prime)
(ID: 197770) 541842456243066746844062538442967017971237209236393084658076433585788340431790012603206224839368434638039922739724763831689839809047079162536333467591737461340716938129875734492091669059058392336772886389233861307857895571741226467849684149511942575153582948863158174662857038683496747064581680118448536654489821773002027439853044392730274201949814115137237727388680543133878303083970920574452854319120510057073202008890575497764690904421140136211175135116708929907222435248313233972242739686313741012675994589407981470890678309956807968588440328447049403925733167712793446651889388074348721525937315219709744615233 (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.