Factor Info

ID 83509
Size 663 digits / 2201 bits
Status composite
Value 281286281232639331808140298499365034451889260391150394641052057173943453310856796112380863890794779725085535303396218678619825302377699208127847192236709909376548492723047594822468916210370036327471648275942159739706888887103297328502737331466295172126015577283634953817207744205403577070762431653402231504333907332272820377176265216742701551577501259269407330440038004033025603577673579874840983563723688777224250830971053168339582811463511807895072468374971240419573672119349333102774114836309513964036343619893226893660084490034097137665240010651350197528594231230084397815114401667784170679824010286847132584998843674955206753450892899916156830435202768520279

Factorizations

Primary (ID: 81331) 9854656006590369104556683351103089875414671130765445958422779 (proven prime)
(ID: 83510) 28543490614439224781315184335957405878975751463689048979112902807584017894726622222404957419739564291473972694991351630692817577424738766666760485321068909424240375590122721554640715845572387145527734384585314217124844703887251185012061619670466268567715691907812305287601330658398402170887504348155522309792211436148512040824989918993112225277771541794904318347804261946744896073001535194980911353711197531762697598163243307715187429510886679458933474112834059410698747216373268069425455209547051195611855434249356540135191542791200589478443428792554313307744422868929680650256831530822184315229852501 (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.