Factor Info
| ID | 688 |
| Size | 54 digits / 178 bits |
| Status | composite |
| Value | 349423811558985772867933627522014235582387100101068289 |
Factorizations
| Primary | (ID: 52) 4698167634523379875583 (proven prime) |
| (ID: 689) 74374487830388825730162393840383 (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.