Factor Info
| ID | 517 |
| Size | 81 digits / 266 bits |
| Status | composite |
| Value | 103072894818537075944085994109612625926699459252702394976937133302012911079949589 |
Factorizations
| Primary | (ID: 12) 1966344318693345608565721 (proven prime) |
| (ID: 518) 52418538217675930275923309595285806970434247649124766109 (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.