Factor Info

ID 157222
Size 262 digits / 871 bits
Status composite
Value 8130018720877160697449478198216613335486217566153430019476870853594745809638942585017167883305139356526572852560968859776027365706635322473633304446352715808127204223399063928723329024946845989045573426337855721008258557840491952451833421779698592125308742881903

Factorizations

Primary (ID: 191236) 155137816977180947152785562601502526330318743274151 (proven prime)
(ID: 191237) 52405138084887428272076913506407547676350230029804935552776785069352912217611616648913835975033584814929647297326673363796476517468870836225494012091732721336806214654148140716638757883374286983306429792286216953 (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.