Factor Info
| ID | 163921 |
| Size | 146 digits / 484 bits |
| Status | composite |
| Value | 47444198318405398268125889189075523619130586995803360224072544303401943922147738865641572691556828807040567773568853164049021744697166566254470721 |
Factorizations
| Primary | (ID: 163578) 72931323398494956543521 (proven prime) |
| (ID: 163922) 650532529886664280597142472366995507719968587041195625345286510116124230774392908899240268797993164351785291479620659463201 (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.