Factor Info
| ID | 2013 |
| Size | 168 digits / 557 bits |
| Status | composite |
| Value | 353283796578769646346512528395524540987976622953166560123379527494480947036836441382175866171241361206645999008250220283011249809190851748325358190178223590386817067521 |
Factorizations
| Primary | (ID: 10132) 137893508829629615458907009 (proven prime) |
| (ID: 10133) 2562004546677098094297668194402077335030835400342565225065669337880193473007362100150176524763792305762117986276015511983045541793305928087169 (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.