Factor Info
| ID | 143263 |
| Size | 142 digits / 470 bits |
| Status | composite |
| Value | 2691387846765883184312334960828131917959801865159564099035749349296917656696304808794941543902592422029504065805134723409954509576336391926287 |
Factorizations
| Primary | (ID: 143128) 917842427566819615573 (proven prime) |
| (ID: 143264) 2932298361823057188135902139988289657144048638509279193160576867990339550432553904746684469565794729865860601356073764819 (proven prime) |
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.