Factor Info
| ID | 81507 |
| Size | 153 digits / 508 bits |
| Status | composite |
| Value | 559850009232170284427161616521373859222868896304084333543109474517861505921949449882373551064585064876528096975581224697775741679357634292720950810319079 |
Factorizations
| Primary | (ID: 57183) 615119103307672084324408929574434035093551952429110669871322453424027065503 (proven prime) |
| (ID: 81508) 910148955253862207427693289808397133630969083236190665523434444371306574059193 (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.