Factor Info

ID 4184
Size 264 digits / 876 bits
Status composite
Value 257491763912480267073422491042667238147352806816322953355717733813196978513892087598083939671060421307982032282426026431562916473725850978126935571606572092229256491275593099298130691199265038663341043047591192043455569009110026693902878127168950588268138695516839

Factorizations

Primary (ID: 2923) 618970019642690137449562111 (proven prime)
(ID: 4185) 416000380860322291505417438085197601650969965860973967728307545846416890262565076949514683072989335355820641121013103801109157846399226270733534090793156923301008744382063529864695629618145272362004158142827453334762538688587167921839449 (proven prime)

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.