Factor Info

ID 139528
Size 324 digits / 1076 bits
Status composite
Value 552723573087908277313168609140973571063974028517728086474636841505103256406250048515319756090897589513066534137183552637758458751066579743780295064128907868744995118048144341975495970265186875303253384554449665842020786138157405662504130894973796561445532690449293751223268513008518796423537972178109476413743051608585469559

Factorizations

Primary (ID: 139529) 1871923550547484694424702457 (proven prime)
(ID: 139530) 295270377321900921120641432773786439113710802325864788000499480668448685456053618128045790882253417737699407489373054820860298323850734570427889105979026162247154999764515240478278561169752941859938752875587487733830803149089327709796385549724307291085680617747488668160059717384187359618663189487 (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.