Factor Info

ID 193480
Size 550 digits / 1824 bits
Status composite
Value 1031771608299871016227638485011707653936177724564791006779137294090085279441033746732411601622880743600791062183121639689040955131220453822393536516597262170031340367767054443811174799670494356836849299088514947448162576432065053923022833484428914012706501546903940789771894455129008657277507008929572497427724207270438504803618469420548339125703410802550179958927230238149475859209453605143616965193082793739605585797547524198471866734879174946670616109015774654475455633280544540335839386500906326443069192584204454119355306193359393421131089862161

Factorizations

Primary (ID: 158777) 2781778024861955959672560416556067201 (proven prime)
(ID: 193481) 370903644747525120707918514673607878785086677046957884443980851195779130839421407016485390435071844207090733767198320213018958551691202461975413216671063601476639636245504425938156031018658660658476904010376106245443951040505032206719227583736214672356886532597459407723333588445984437870465328462176268697393464230648862598248282568784212372003695981743617714053407256910050817386909568637677275620672440422602113615143166274380930585507111810016923746452036308131677079514476282030063696574752956178055838882961 (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.