Factor Info

ID 20871
Size 313 digits / 1040 bits
Status composite
Value 9535093809403141319284127198607981892754518561582606104825778725619976482552069777540010083416133646094082937580555224157481088813383787438853551653016033881322284770088828587509867297931427650137528255818413082126071250142229838257947492488038344904703980483067124778315713868950838597423553722553310612067343663

Factorizations

Primary (ID: 16482) 721493104094461397911450801 (proven prime)
(ID: 20872) 13215779548399897538941288213884607034172537219179931478874888571543876336646273759348015716561147340788347661361162661234615618550410695926735549141370721373486200852412245732228922061574924759846572718516766064053743774122985598574530177439712188008481499637121287723555548126499383263 (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.