Factor Info

ID 21621
Size 451 digits / 1496 bits
Status composite
Value 1899866526414749028853244201266468900656228900161064386116703783941481754625180380575066272234197069834411959396565401301124371378758956409333322516443715706486917265921970903057011433734941514234209127230284496802451093175499707088149202806036235110593809086586852368391895453841509497447382775442317309568643299443587733885490313009009370858597494046091315494666751998466312365247482800118070411482459519857812761284597257652127189176693436931957783

Factorizations

Primary (ID: 6762) 285963691592722767421088565601855215949 (proven prime)
(ID: 30207) 6643733390883029927744085403283243335723259393826436938677993414182329175555336163724075102589031633471245291892926087450724440434833590361006500898185511306095843887300845547662692865871037726496554844354905725350233998424825723041023529848275119363772110709839900863871822913095921237283555467933640345405415175682512223548580088487266565481171685086991050301145798483290300855291900831468401574439910271770867 (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.