Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 253: | \[{16^{253}-1\over15}\] | 232 × 47 × 89 × 277 × 397 × 683 × 1013 × 1657 × 2113 × 4049 × 25301 × 30269 × 85009 × 109297 × 178481 × 2796203 × 31797547 × 756550961 × 2569737193 × 4103188409 × 9623862953<10> × 81776791273<11> × 156296877661<12> × 6994042018866541<16> × 101027360307659633<18> × 199957736328435366769577<24> × 44667711762797798403039426178361<32> × 2822551529460330847604262086149015242689<40> × 621109541542884571802304568790331501283098925929529<51> |