Factor Info
| ID | 173907 |
| Size | 130 digits / 430 bits |
| Status | composite |
| Value | 2191383262311327361142839754339432837707501781435721471153557675224579578406071598916505528504287183417580851531946512269542218719 |
Factorizations
| Primary | (ID: 173908) 509856563793917010248987449769719 (proven prime) |
| (ID: 138885) 4298038738591350241903359894361937263902417766066948735111854394786520954312466554848504069671001 (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.