Factor Info
| ID | 1523 |
| Size | 128 digits / 423 bits |
| Status | composite |
| Value | 16066700101926375648040778617938811652551302183270222388613799540981999197528471832054153452420425896783005160627560157006551641 |
Factorizations
| Primary | (ID: 1524) 55513260931678863006271492201637359 (proven prime) |
| (ID: 1525) 289420938930248454788988446924852458566688945535511451190207928234634387387365817424172370999 (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.