Factor Info

ID 38164
Size 644 digits / 2137 bits
Status composite
Value 19939548244281258651310686749283551814543897900460375612017278877021308094191889345542930349505000803547495675049698962902358346597141121244525458865899925905892359837639830414960443645783880373409811646025869051383230992935814162214230357082589820131557639567997102272085410923923206166418663233914751335047788665626328638966818665786643346508545991267627566908393229558544390428791321726660220355580380663701961962142551957113483797969410576282312157452823603265015085925294039872464382850666256610403920946414861151102688397791522503112252732536967065214169086116889103248091306407407273408696144364198386119459575822604769549941149714834629

Factorizations

Primary (ID: 11677) 508998148480825018649601011436723422737 (proven prime)
(ID: 38165) 39174107614720373455821073417281389685003456410099351684197743584907960199151365666698245012947390351252191407406023302674999143322391577316886020494702845253470355614049130010163060226928405380872649902204326858629314145465922402041991535441084840651593640438104842766316669984013817623691186720044721887245307525431855697415700362170799306894672942282557525543587525449641896055185737009406473327246716478320830221718433224778099892986530937725684323335101781787510870072254149489006043674456078932478946142786060573554501682835732295287791516729465638283086939857440417526537228720865395606764711571317 (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.