Factor Info
| ID | 5221 |
| Size | 209 digits / 694 bits |
| Status | composite |
| Value | 42139511976298924842042256823582425918317179808653264393738844909751120202473602633492784863408084942082309900853092309033063247216819581461882069770181944829638880494901276274979526480914214599830071812360557 |
Factorizations
| Primary | (ID: 4228) 26273701844015319144827917 (proven prime) |
| (ID: 5222) 1603866566899386291818470523060670899876075544703537275205974669283780495982162866358095640423939804588972554894856977903394854311418490839481472478713212598145309668082448964728797921 (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.