Factor Info
| ID | 353 |
| Size | 51 digits / 168 bits |
| Status | composite |
| Value | 334538931455639580220240688879986561556713506167221 |
Factorizations
| Primary | (ID: 354) 196447231496394995461 (proven prime) |
| (ID: 18) 1702945513191305556907097618161 (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.