Factor Info
| ID | 19903 |
| Size | 174 digits / 576 bits |
| Status | composite |
| Value | 166839278764290616383935752050404685390047702181085895868263098000024896425784414620121664857998655163807575903752271115073032470484282073192741595420044348600073512881802689 |
Factorizations
| Primary | (ID: 19904) 4624740815741021164555032450406356165555243059597323 (proven prime) |
| (ID: 19905) 36075379229129405137442680972370788324414060277012433191198831287911648192680373281921936535843435181632954359677168188643 (proven prime) |
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.