Factor Info
| ID | 19477 |
| Size | 61 digits / 201 bits |
| Status | composite |
| Value | 3139164528904620465759850645127572553051984874791014691088241 |
Factorizations
| Primary | (ID: 19478) 31388506438433752927908678241 (proven prime) |
| (ID: 2224) 100009999999899989999000000010001 (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.