Factor Info
| ID | 657 |
| Size | 90 digits / 296 bits |
| Status | composite |
| Value | 117873530035005984753127637415011096955116129945511346973607085937212299833792692840280489 |
Factorizations
| Primary | (ID: 1150) 12812807672672518125975550387 (proven prime) |
| (ID: 146) 9199664355097567386745782340197928811705469272541645282672947 (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.