Factor Info

ID 177345
Size 727 digits / 2413 bits
Status composite
Value 1553648738235296277970041477901065850104695490031438557947622656673383722464884497723464991915005450729420421896668909448619871070313364378846557726900950078657026023759179225585738063574214069400283589573698083620849418936401884875452493289297785922559594387426912478151241069256293380333161534496767212338007946315972927633169661829941679725934923579383532846318662752339823420130091079135024706758641260667120007133447962742128473763398707519417120635103451981589570393216917177542071622709666103902358896913265992141136664979208294375927156763600439657982880114490151658522868755352754657349763675280674055783081285059678612528799673922388302018030808068386995238435642406898293871585119405480610239941063806643583922044547

Factorizations

Primary (ID: 16380) 4011366712134698762723279325243498287 (proven prime)
(ID: 177346) 387311569778795603849151811319846062213734354049834591542338335161574715514790336107752230405118701454740058147697262470372818290801094323749509495207484095667522197009467931987252494532472003432774157408250094915026215236225915367640906385474659985947829382856723633414326309722271940209539783040592270566533687607780202867872630545083604033981720206299120611968242582606167719794414462526469130171781564599757760105337718500188067293010290342513375171239961368285439374927981810217601311182447443746132221352565480469111059371960418494683301085641990199148348575665033181409276105518241980169936125332779921087898043120622370020373207400025691020521849898003433293844706314898550550175981 (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.