Factor Info
| ID | 131820 |
| Size | 138 digits / 456 bits |
| Status | composite |
| Value | 103223336341540781418536281928173302997664446298497674740162880064240268355146878356580522314745810710478361261184011924730201447472251581 |
Factorizations
| Primary | (ID: 167770) 1717466079724751615975579073185741 (proven prime) |
| (ID: 167771) 60102110638530800124011090828542251775514913590555186568403165514152154701557093559303581396947430168241 (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.