Factor Info
| ID | 3977 |
| Size | 175 digits / 581 bits |
| Status | composite |
| Value | 4994970646570016090112740922773161562189169933594157164974228630779656897268982355387572634065426159599419925037236446484028409556537811204090219207629633297754743629525121999 |
Factorizations
| Primary | (ID: 2980) 378428804431424484082633 (proven prime) |
| (ID: 11078) 13199234804746900355368499689411166853899503313118701211806871002485226336344084669777815726477049211717043568659287793954136059984887972696456670207703 (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.