Factor Info
| ID | 57172 |
| Size | 77 digits / 255 bits |
| Status | composite |
| Value | 42818913841953388366022591931264316493343360230402205801988949243722546820191 |
Factorizations
| Primary | (ID: 57297) 954519632047180992533553119 (proven prime) |
| (ID: 81123) 44859123274519397633244020369148461475583526255489 (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.