Factor Info
| ID | 131810 |
| Size | 81 digits / 269 bits |
| Status | composite |
| Value | 821693239077937665585380553962680544153775164721314110914835803665937681920164801 |
Factorizations
| Primary | (ID: 132134) 2447244788249267691839821 (proven prime) |
| (ID: 167765) 335762586163588511737475534667790066590701118595773133381 (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.