Factor Info
| ID | 163981 |
| Size | 185 digits / 613 bits |
| Status | composite |
| Value | 19229986928842087229204652676076789295770014449591774012933162903301844071455190219307199991908902805854178346486267072300079368050358333208348225306509256896195547348018781676915089721 |
Factorizations
| Primary | (ID: 163982) 8912601559879806033539551 (proven prime) |
| (ID: 163983) 2157617705632228426393368768860750161359656424433933140171829814567870158306967553488963946697325872926735266850701717256860730147641629800811302583880345501671 (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.