Factor Info

ID 171211
Size 667 digits / 2214 bits
Status composite
Value 2538319736226691390378456379058003555029763355413721561234679691339778012581717273670951241096960377321498422926763016733393722262047187673073194435057049794857947954164881688895782097439761204081232047966287791994443708561305425769287199070117042581152433812664867190079279706846900868901578382617220246748958225992978107994214477132570937146385502489687028115151918579621636587908618058406850593795896275735918953493491375416521852574033093665989484748635154135991967387869691778721155596683215254035017333885353752231123656514182186941519699629338103108166090948767348186836528541594955663685069096456705396843361882683012389619611925022221712946904778054749032491

Factorizations

Primary (ID: 134569) 86115206426680425712920931 (proven prime)
(ID: 199823) 29475859625185348302483001382695158511498590839576180537651603285012650921074980424434677602718725285993580009849758576149840786515208509940170954546325834379430359120834342847420692027573260132546289060889833543695347556544457913900478907200166436171593143366908659787639621858692655738743800713246947585281562531312290619878178666396749199858722904798582775284451840753214126282641632485678459276290450809969445170409972139399824270926389463863304050235688120297704795848672054656547270067543944673337056087719868806282921165498648139237829471684484356751742802909179404163162648062971113162336705182463053211425701025207959807572118084761 (composite)
Secondary (ID: 171212) × (ID: 171213)

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.