Factor Info
| ID | 163571 |
| Size | 51 digits / 170 bits |
| Status | composite |
| Value | 805252353890150471585003157000945935869109428921921 |
Factorizations
| Primary | (ID: 163572) 301682835425375850779941 (proven prime) |
| (ID: 163573) 2669201755395650879441868781 (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.