Factor Info

ID 143705
Size 380 digits / 1260 bits
Status composite
Value 15780270428989086831779718056644201370784918528561239843270964971747132007097806884733212100460540984365375786644008069313637000141946195139657967296151540231294404543605405983574788899013708845511274230778160997804610514542321531619769728398780421486402873964940687917211279338120689697364305564781345902390178484711434575826636846355493829910260174457524868464221457722796639577

Factorizations

Primary (ID: 179179) 3817022658060815030132631361974810664535775289 (proven prime)
(ID: 179506) 4134183064295990449462703487601262259505083814276137852721997303120548439248267015055843872232226942850280927700341991730527076711076366732871745906650323055575412042169060971170646311893426736449580637949561410624887231338141709698048271001143512119348023135330906895021042469885352869764928691722234557827955987660020566133294159393 (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.