Factor Info
| ID | 131787 |
| Size | 83 digits / 274 bits |
| Status | composite |
| Value | 20597304062831549609680622186216883667728627992112785515365213179343107426427711619 |
Factorizations
| Primary | (ID: 131788) 37376752870606823789 (proven prime) |
| (ID: 131789) 551072591408263380578362449806474394107037925885755882935063471 (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.