Factor Info

ID 166655
Size 652 digits / 2165 bits
Status composite
Value 4256307166886094539947793029675270761672527289536953594637055582408751860284505527218878750169346977420925609163331047673499966851936609145520896899589715538726300282657768641393242661871161429949488687167442795854496276377398255548151095946418521843568922117803156582512270422910777668897872668289522046360636356485859702906828119243392178122151397496270975489162111184473742491716038373727335971818037610998698318772858009062665410699986328314635277571341862085657779100590867004166629957651074174736859661701959664247518466676345689734175440946591165598344343788578960486283920695477530507382347923520251964590990603534742655467611460897776076522861

Factorizations

Primary (ID: 166656) 15417806615502093629551201 (proven prime)
(ID: 166657) 276064376278174272279422803977305907267245614232197306488349966785440160465100594508041354294430103757513860952810388430770741218353339263669881233241031805278951670532232088689908532183360670581968871180517652275208851455969959715048210249374960284168213689151174986461268147814980028072359076031152087247240121962155070667532891265643709020065896540294099260275224299191879037469873087491452979144633535314240389283435713098041595011208975563295806855703057648030471129698020406349789820641758971388108132129846350258813116065562331282815289074674140294678879816934261859969324065217901988020434607359134049738241661438379661 (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.