Factor Info

ID 177558
Size 679 digits / 2254 bits
Status composite
Value 1719735283442639615946862205703987900020350085036140219513966561514817724083571412392813875878694484168667059505211645435455587339030473035502726051464920255353342683416113706122646992099599789221590667104225796846360058617223937455544895608490338809992929194256289969196720025918842972833693415744605009018563612350675921483490449385094031757186441841529815578065817734941017224674461207651932965752867075723517616719816909718975871272484947109732453301961298710814437855159688141776632190067374263684315155301576960455647933034626760849023476839192562972887483983237218274555424234946091215893669615275425551759119161079247368542044588441887170403503523131186766035832119028989

Factorizations

Primary (ID: 17019) 19626969441971133431230867480956807705605182297144094327462085370666665673932596981762425465565943459649 (proven prime)
(ID: 177559) 87621030262832409745521144479281394172845800949710085043529658682996127766648551007979046909090661487671385497894301169956810012665375192268016682429509897776000541997082971355041073715491764190074580367283407246891632400498918201849355459726114051608759413429707592324817684138605138727133217770869269933263534609588395893091919858475445641727031129648542893421539533577587823575002059461069438934011801514292158927106781916174934529214085714889824829056999405769268150117315753672304670452189570747892370438790658314103961510472774474756999438122276941660541876574820649661 (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.