Factor Info

ID 147985
Size 414 digits / 1375 bits
Status composite
Value 640865675983353085980594686854883852389748396478173900016881727536643695197053849654953632313648753105961930419786103206414767567355243081399775479853495463563409615195731166214683614905096007251540841072209711036611006907890965181172018796989864206234542017689385066949038639054540408385258642588091981461066021093049624528573867489780754060600702956227942480929267380947038617862187126993875256515387036570867617

Factorizations

Primary (ID: 147986) 566057362533109984268704001 (proven prime)
(ID: 147987) 1132156771383513968675532998227309418317946117772495979111229134627357994986962982884132119082592037568260396166603473223389062755584222177070222332551481730448277982089069091386133915653941118487779905952776480667913832744265863075781654190878041326245165550582731706959241098488281487183485916186655500822087849163543585419968337130310365669837504063263941402292565237480531923484499617 (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.