Factor Info
| ID | 680 |
| Size | 102 digits / 338 bits |
| Status | composite |
| Value | 312812691243375613388477325095235322952537871500317733616867494418492718558487057870437740276366834577 |
Factorizations
| Primary | (ID: 681) 19469944773409593857689 (proven prime) |
| (ID: 682) 16066439575657593388046561524802921549491031050260702908183083826006149303025593 (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.