Factor Info
| ID | 1581 |
| Size | 115 digits / 380 bits |
| Status | composite |
| Value | 1896774781509312056151588598831254497426822402427044456749335506380749409021480608922686440966430708151884898889791 |
Factorizations
| Primary | (ID: 65) 78982487870939058281 (proven prime) |
| (ID: 1582) 24015130855446430857692391577769181311115663609574911399761075099456252035985319701870658692711 (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.