Factor Info

ID 161652
Size 254 digits / 842 bits
Status composite
Value 21196837790165821498979975192866255420387340611976374333205119487598075824708570359742313297425603734497278347507971634025132758721448037874065375705167034079192730819668860876779082023916664839326911833324888366946132004331552814231223003827337068623633

Factorizations

Primary (ID: 161653) 976016019321407726675833 (proven prime)
(ID: 161654) 21717715048266620792750607352427880895157309519170532219874882357160143679999894954217615147837319393519071130217760049642605524903492035584803871314987514317079266464582497920246665475489774121046439636898032253818255543030656601 (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.