Factor Info
| ID | 1531 |
| Size | 102 digits / 339 bits |
| Status | composite |
| Value | 616408134294446561547654177374800249942010800573905567515340942840987854319385695402344041260356342401 |
Factorizations
| Primary | (ID: 1532) 1291558265282875932019 (proven prime) |
| (ID: 1533) 477259254083625414478731167801906322667914843148241716863201576896891290560869179 (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.