Factor Info

ID 72941
Size 1218 digits / 4046 bits
Status composite
Value 655575975737471023242898113754051791165596348158603635247756501122073042398335048368704803142250447336401326406715871830944405741115439716918873806903257111938648287581811610165287613413597055690571081225548608697882858527527651436004806736023310975306025415640543866840845491160260519224616429404507585886456834445154565854353194247753465533038045941850202050621692283315394722826353613639454911246022661242952581507906959695995258873545346217143367178205152739557829064892804384596038575184502488877773221634445878931258401154552992809616806566750768761396802298999202668923082228190125568711510385542363975610120256759156001587791652398362947224905674583174564131331100746597965472069763702158825790476910384306440752674925060807998029477278610119496386027413540369023988413235300033091941921016087282745832874924751552209519956023716384432195712061703233844330546633781397414131424077724993736134548124333680895959102505570258501378626131041291077806554497439353765666287585587046892366023579295785650508081611922517862557625197982402788333059941285994742106775179041664159418728751738566012452172771593789541131476877913371455944178627574929552311340881910347463605223533809940119968195436572630109765960430324619

Factorizations

Primary (ID: 70992) 519124739914239138234099991 (proven prime)
(ID: 100418) 1262848647602065760805683522891679672985658252550131390777183779292278937838914081198568972405742730962916102036027073393766518987927838412836674422046628127359522786963619229722549580283730552945648918177987431651192533910969861163843830593836929869087653463066118258146645259206791459072705664785534969230998495786592102596675851403618474714657950628590827001517842594107310833113884677446314129213428769975123077672115417313633420204395869366190764241251101148182353714542882631281567229245773310807285246689537679747665503221324374235086513325563855369823562093809517785643800716456934558305814903392772206060822455868044194788526931747109339104425144306866326504108579151809747092595349299592901959386960574732771993813381289792883931649690827571886543435080091564997858575792567491699259477953373504532060953184070114555768475539454353121392101777264992075145198094469933620322855004903125767744909716550533598652417294946026614888701155205931712879269792099714276448601215715263826765072870684307303447824925465040245649287907744554568264793792156798859643240998386097022235480551838268513520672443456976009718243447794266746737229743218562935989178114396228365111973887573225071841709 (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.