Factor Info
| ID | 131747 |
| Size | 72 digits / 239 bits |
| Status | composite |
| Value | 744152580231546366636377802788108897172683033457290624140878085377883873 |
Factorizations
| Primary | (ID: 131679) 3955202198062795629622003 (proven prime) |
| (ID: 131748) 188145268678304791443009491673532813732054627291 (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.