Factor Info
| ID | 81253 |
| Size | 76 digits / 250 bits |
| Status | composite |
| Value | 1420988319678460848989889425217511224509677576054509167687243899591031874691 |
Factorizations
| Primary | (ID: 81254) 1071849194969730233740310400305054881 (proven prime) |
| (ID: 81128) 1325735305253077646619978407581074191011 (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.