Factor Info
| ID | 1657 |
| Size | 82 digits / 272 bits |
| Status | composite |
| Value | 3953999928967430616096099640119463829404853041149500909786546416858890979361181743 |
Factorizations
| Primary | (ID: 9777) 52473373682063620473069361124970689 (proven prime) |
| (ID: 9778) 75352500735415486875581470160608663487766146287 (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.