Factor Info

ID 155778
Size 612 digits / 2033 bits
Status composite
Value 679062490857402401032066663533875353180289293440799297458248661491334192520871156811776309565958533018493974218515792627700660815915820437992755810488043315539056185030144461301779889875850951094068287889971850781153790109174784437003849991396864767166581615119289600947204130838588860252981612467573041948292598431872417162694087467383790985940783311848116663745273331449431196654696496564985349210679345391169690767879425591343144502148753126824935244728574351984964446126909690635034242080492410244509145193505059369435690748542398800113042519307680512894763088528430942992281630157847921021413495610949770451

Factorizations

Primary (ID: 154707) 39849234924648425393072876341 (proven prime)
(ID: 189726) 17040791175575963971693415907087168755235673312881407839693279381736258793424268589294454571303374646565822367966293445247527157470064194425188129891638097181911039976885260907472605048576549884301721291109147629376403604651637980688906703769485701741230300155881620957526628281974772847379039645038985929592761524274688239042433205889157595636018803774130763505102923959564376985100749468608466798861435651646254752597153961863935119524416271492342403883945152508161314788788644674713892981434987631965306182698576858568250842108559663526464801110733220843300854734239685697454612711 (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.