Factor Info
| ID | 42374 |
| Size | 139 digits / 459 bits |
| Status | composite |
| Value | 1218545639240170531161281085317222126292741290205772835253457899911739588946890892070164182593143239539384823536576500819995227876675324161 |
Factorizations
| Primary | (ID: 249) 2871307447985313921708888731089 (proven prime) |
| (ID: 46276) 424387029711909524606701870977539187496213789933493772112887141320569389826212800036985341151951287360947249 (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.