Factor Info
| ID | 57271 |
| Size | 68 digits / 225 bits |
| Status | composite |
| Value | 28387944498957351687303558585455340753581096413139410686648232442971 |
Factorizations
| Primary | (ID: 57272) 3374957962330190476351801 (proven prime) |
| (ID: 57167) 8411347582936206309444183428167163113285171 (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.