Factor Info
| ID | 3999 |
| Size | 195 digits / 646 bits |
| Status | composite |
| Value | 250861090147980773580597213901445407127302527647164666487456562571661984347374481684858628629977543739896410399090556874152590633490392817568488099842938401871270456604467148723012477837799439747 |
Factorizations
| Primary | (ID: 11112) 6563213024281378912864020513717469284499 (proven prime) |
| (ID: 11113) 38222298928876855035450122956971672695388531681789069941131243679032960393651366564932899572808748881565937848773174528308267900383984946138673829257788753 (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.