Factor Info

ID 20872
Size 287 digits / 951 bits
Status composite
Value 13215779548399897538941288213884607034172537219179931478874888571543876336646273759348015716561147340788347661361162661234615618550410695926735549141370721373486200852412245732228922061574924759846572718516766064053743774122985598574530177439712188008481499637121287723555548126499383263

Factorizations

Primary (ID: 29103) 836678744221945580045751077 (proven prime)
(ID: 29104) 15795524434757423102578804762138652317484057172267562831940861255657169925465980878711105338304881164729021911588573454414199622867521520255762808438863314352008115632504696517151715685780683823315871317906992998118203661586086215727162971331843597065661866419 (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.