Factor Info
| ID | 15651 |
| Size | 154 digits / 509 bits |
| Status | composite |
| Value | 1640884781478876949503309594962255065680564507315486483485489254255943469039177116982490176919185199132280395133273084871822682692543025494240274091424971 |
Factorizations
| Primary | (ID: 15652) 343655369137983063095894075648845280000129046670755685658533958973862141 (proven prime) |
| (ID: 3272) 4774797453608343803270988984332214098351782527747577456028391624903856636676854631 (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.