Factor Info

ID 155896
Size 820 digits / 2724 bits
Status composite
Value 5318590672524731952926933816736970876469364038654454033793428506770807712714991418901634357442062773212148026345386912974694666612106460045993852831572468471250642033480733392255903289479255205544813693342638927608690852371017889101641673583566408178266546182812669611119526694339588031416611998679419653564300971984195708616816280779368236479364437936038222847639921815374752290860368276457291559220901103346568145185540825601314022132470568705931165324330409138139005617354940509757464372326649483633723056367353142266518462985617150381340252351781827880020478112357501753761395111706630770719274449593856825516945119608383972927518639674542082181174736479315952371446360512943634380846829674655174125050111550289677092143382385586155434573248035833423010153927617995057915341670666371872302633846223245035390952185647

Factorizations

Primary (ID: 189835) 621212201047741445725884021604883639083 (proven prime)
(ID: 189836) 8561632665221891274017792723854542705419129629496462171413084946999973659766243665521868589953842462936903740612396442878906615374694289635833668388216602571495713512820839703909234884885603092742852627944379691052695226788324313367325479148353304291012990004427745251220434519076743472920785731351961539456757041543885361919169878432895506839418906071878049235305089644426615627585061915801874061872874047419393518529341520545608514383573325553861713232822988069167109903780742631582935431689622911239171424151294321482544837312596780629284539081321367569085316838585654819036364400267911503428495335462867064488373581824168166777925696215471079812960227426743206741573645845313015282573012832921184032722468193867285908029698156983506499872527238984044750791398748346809973623309 (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.