Factor Info
| ID | 4137 |
| Size | 124 digits / 412 bits |
| Status | composite |
| Value | 6305441681845673552869417546938778057277442568900298491516760659555700806246543503785400349181490718340059330139890700888309 |
Factorizations
| Primary | (ID: 2998) 143162553165560959297 (proven prime) |
| (ID: 4138) 44043931478043130497632727808435678383927277454575232182760843037783130390128798696067138294707643004597 (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.