Factor Info
| ID | 1686 |
| Size | 139 digits / 460 bits |
| Status | composite |
| Value | 1583600258743183840736542454288861819452957017495469130141162653623919849300778469713561660783566890591300036852628690855431168634614967741 |
Factorizations
| Primary | (ID: 1687) 104339069013700680424891 (proven prime) |
| (ID: 1688) 15177442866921139063928339877840872759213941901907094772614572301497605138015157305990924748313835777188903478341351 (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.