Factor Info

ID 135453
Size 621 digits / 2063 bits
Status composite
Value 577851919744863372496764411911985202189193209576976836604746756608623283825381340390960035172653921034930359248920105851487974545993148158229612973100210033359465755178850273911855152815843589329334728862067866585525617326950036462314347826711129095244980984689537952192582475674500663459893012818607430010821771131070608121480920204112374434603170133415530766398684574278171442622926357762397466186063148270451664219649187810331301127228304936724316465924564404319669625626503503845578841484879879381275038386145239892633273792202837748161662523544465294645356354817998584250333292114623386586362281981424285340029644151

Factorizations

Primary (ID: 134107) 705429635566498619547944801 (proven prime)
(ID: 170892) 819148913811675410571958572705565504494057896172251996139429916458017280431033331512375468245787949926852063796975531630925203258026069090345245025490595405282267952649899584710277993134454778751276444147092043422020599089690027591327168828187106509471865360481245644050173427818385374792331204327021720085608260898351273848293746137075715233757328381065633217552123148497591197952041231674374471481181978205235413030895410944821436289932281162114477506528168003764164019506445270602455522710905469315830929439194974582784988098933933883029985374675885753817596406364282644960452376848709819351 (composite)
Secondary (ID: 135454) × (ID: 135455)

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.