Factor Info

ID 154741
Size 171 digits / 568 bits
Status composite
Value 739242720128320504072862328034613017802665368162616366771959510107451486375806238370247663673998123640162880171743520999420307548245528459534759673961063122343440833458647

Factorizations

Primary (ID: 154601) 42481797154433176612759 (proven prime)
(ID: 154742) 17401399414459023825911857093401130142133030710266279811955891320943063366115459702470586966081198496802400418117290808194791517834898777087947626433 (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.