Factor Info

ID 143562
Size 256 digits / 849 bits
Status composite
Value 2768211811677324263170901228073797321786349347728860222749190780006933241210596336124395328384972684130576452753897691997720170030239744169533861874292410317132528139643094002650652638561602765289473186527815415826049091061670384603118083271811041925372231

Factorizations

Primary (ID: 143563) 4017703816132036958251 (proven prime)
(ID: 143564) 689003455297599354623252138033383204324036473557522891382363379409076709303613037066049796271598372011695439286595210381458565190850927029346534631400498058066601618273582452400770647947075055501368251822129276661152901939359113328981 (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.