Factor Info

ID 15869
Size 293 digits / 971 bits
Status composite
Value 19783904020540966275455578456460429215466234604690797492804196047591234437338346457701918176920368818956178455702106118817977600901206726002872059954783847130257378937628800455578294645430983088792126907044160312142602451863511823223644768122351119911022270174702709889561302096524980098781881

Factorizations

Primary (ID: 15870) 535027074087349862035936711342201 (proven prime)
(ID: 15871) 36977388582229011618856231749290836257261689347419607090865863121888810174484993409395564363516597023427628561641584487885569632638897668298062767753274935721862177614567465797829445133048578597019147047460680343464236316471250736911204265022338125329740143681 (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.