Factor Info
| ID | 7640 |
| Size | 94 digits / 312 bits |
| Status | composite |
| Value | 4952723560273872352737780249193526776163905273516797243375315335135037051431625292779088042183 |
Factorizations
| Primary | (ID: 7511) 18969653181299397175271 (proven prime) |
| (ID: 17139) 261086668951668049030776644249606258498957250612701457698985017867709473 (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.