Factor Info
| ID | 163983 |
| Size | 160 digits / 530 bits |
| Status | composite |
| Value | 2157617705632228426393368768860750161359656424433933140171829814567870158306967553488963946697325872926735266850701717256860730147641629800811302583880345501671 |
Factorizations
| Primary | (ID: 165059) 838749730756251362679794921941 (proven prime) |
| (ID: 195650) 2572421339184015335836679481298209782088858998087257124582618580071052601458710045745581135861371967497260244535298334601696611531 (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.