Factor Info

ID 64871
Size 709 digits / 2353 bits
Status composite
Value 1572586174973534019966272753790512748213902453852589532003432230362203644657471443507733981165090531501374206573561512885422477747181846756038304751351069504871109821147057911653099518084204325315235468687844947162001760943221497634272897047724791921230603645004009029556176812395242533972217058311686246599101558955095421165014972857691320938112606249486079216190352539217310972196350680817554811078298142782929104984731140129152201302710612287868563840246281719986140944916009863987379739163278589982435140140321742386368463319708456949253127685305232430745471942029390840089981198090601889231648435677825297461575190313661114271534114685079889755718985900767526740428158064535739900966432462376084263945983

Factorizations

Primary (ID: 63353) 28758863909916435817 (proven prime)
(ID: 64872) 54681790626342703087847399603764816917987411016003716956608727903488517862505360850772048038726070894188083490556578788395074208232491024485453143822294661438154194864904135636803325571702494277991727370055471038266030900565374949929007708270916719893924528236448846543532188197553356523155780222489723515476709626620369520031284820242081579103534123537747771818584522848399313283743064323637666514150536622265707314464716404362392262920508852369510633997739429138178847627462769738363081042841585066186398779575524954250388159693701301472962301201308380266790559577338968507020357964757787096094678899622721285531807435926049050956081380978340603205071207347637040135323862686451526415399 (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.