Factor Info

ID 137855
Size 776 digits / 2578 bits
Status composite
Value 71856261479783227928238707441091669455201749108683904883022918215884019923107882045352793800112250025981765809485392672630311908206678012267003657280331890097652268413718582414892497149541310365224723005284448163427000254950706947540104337726091586752168376615106703542800317208997160319600720791297771068032613044434997928872937849753085556556138865069608274100143495671428732982300636750018185952717862953651125825532401317946187088504662299239608696012426989159303026841153155199463090363712071185206824768605916940860317080655830591542854447215064588061432462852910075007859048876592947734219955987719759196595857653684600845052082387949632655943377679574728444003269131858439102007682022580708262761208991168232784500290849813589299404624676766206955644660594115456932223

Factorizations

Primary (ID: 171381) 460105193502402003895023840144960797456639819 (proven prime)
(ID: 172788) 156173550080581949468139287226997019919291614814118172361834060546271850188856149902979530377958135987372082791694897984194339247952039669170734387502714331034107433372587591045713540184301038482065442562952363176096207907410284180736945376432859207710662654261268064358998763893275305875123328638746196222597863041751352630099144365859887861169692064216588962438169486635700041363757785398720370980581010962363193714311451551014106989736907877486966095130160126187282613097007510280498045116232032615145699444128899731768090591204697957426667104234116522851040255934896502658047661913662665634678091685659565941961090047479880418038197101200324343374799983691907648066036979266654399623531181286881187890045850800728661007993778717 (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.