Factor Info
| ID | 143261 |
| Size | 81 digits / 269 bits |
| Status | composite |
| Value | 496780665249196539299381537984922261662076429450112924592874818378699746337098153 |
Factorizations
| Primary | (ID: 143154) 1249075800768926003921653 (proven prime) |
| (ID: 143262) 397718589170793617043037409602425551586575429042234950501 (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.