Factor Info

ID 172996
Size 728 digits / 2417 bits
Status composite
Value 29316306404068540148821726392190804399438930068482535263894564825285986222084090530707085818993031786198751775514242187159551966307247566410863336469014135012842722407052003282284359867946837818412830180211786974167046389114365742683917465736342005403540394632553384657771349951860903444270898016198371444174862494437380098694142983368809554512229435420495644418113813348489225220221503218356851488340939681660501728190182432921832652068578679443967911653294135509978090728692288546853869320253117234621810267404271950090875556966308656196167427878929940063379943404859618603654372403924319697922604167892967296231302297728846932761397962474864371410473503562408988736133394933358779865143677766928520582991029339191741124671993

Factorizations

Primary (ID: 171380) 1575850427038837744926591856538221047697 (proven prime)
(ID: 172997) 18603482856654404312249336480215832139294282358911772399683111665274217696180863362164893682959347412659912645486071769812362960044820571532520017474330569113994458913913616349222156746640399519060464604238665183428647640236646941433073311473565966009087629978998532149634639473891578078473761032032922433312180166860377909026134752777037360798728481689958250208308591329427686663016093623993282741808685613740205700248271359249753044740542719229993635586599294224805985324825135084362926904893929895190792358212519708933834764740504603983313238557600164244845446831707415569777975013552843679968299727166120216016642618989254914105216316145352090424445796447989719866587962622174180769769 (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.