Factor Info
| ID | 81621 |
| Size | 149 digits / 494 bits |
| Status | composite |
| Value | 39890863594968709130679470455352731664428916963696352316820392574632904259427537745274646967702649870831600358578290266599172571209478327277259928831 |
Factorizations
| Primary | (ID: 81622) 2974850739677992101525446935839733413797 (proven prime) |
| (ID: 81623) 13409366413888258148202380865903608744351792022683940411545666535687380995473606108579303459459090400025229523 (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.