Factor Info
| ID | 20689 |
| Size | 195 digits / 647 bits |
| Status | composite |
| Value | 453949698532140794273426556176674216397733070162719122961127541011518716931810535197418590814455697226144251373672073545633911030806005298235997890570659451692726529388848282879933302399240903217 |
Factorizations
| Primary | (ID: 6674) 227376585863531112677002031251 (proven prime) |
| (ID: 28883) 1996466332749829981533903729866877457595240606654405163894135984320300248985679288412580071332612295034236963071744404000755862684012113216440572220243355447573559467 (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.