Factor Info
| ID | 2553 |
| Size | 109 digits / 362 bits |
| Status | composite |
| Value | 6093575763552463947744725430242146662152165376988062553665386179997919206247442994768029416551038558200347851 |
Factorizations
| Primary | (ID: 2165) 15763985553739191709164170940063151 (proven prime) |
| (ID: 19652) 386550453423060749832491799876387798172186485317679534099751615921829729701 (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.