Factor Info

ID 172407
Size 465 digits / 1543 bits
Status composite
Value 278764034408417284439963750258064202204345837961278949962552747230131486419143748402588818473247371030775202461165509746157477410789871062524715414024995836968706664513089815085344279079564177876213690580604262079135112047975119782102014296729510587581111191508237287157622541540190723022936273970114322958349220186263626123550395737314532585440337200653577633303935934128110898701658316704020091773694793294560496570269105296169405242760076454574048773939856296547

Factorizations

Primary (ID: 171377) 12394735435562113296770410018912233353 (proven prime)
(ID: 172408) 22490519128678365742500770424825333201228787965928265067547475098568134424349403386371084714335453732646976235334406252348377000727877841390450416037473903073738133037349160534071117807395187597494271976498385176650453548887174006349646589032427674315411986456836697008641192898244585214426860422871467708756496625118824881007508853958825501724893150222795401951037819962321860360070957126769664137930560891427222996666638908299 (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.