Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 292: | \[{16^{292}-1\over15}\] | 17 × 257 × 293 × 439 × 1753 × 9929 × 2298041 × 9361973132609<13> × 649301712182209<15> × 1795918038741070627<19> × 19602880710043505617<20> × 32871186029052837857<20> × 9444732965601851473921<22> × 79778881726281213651073<23> × 23877558370585153535255125267231814835993843079185883107034076803873<68> × 93946591029771824533206167634774407297228901800474680692600398205491737978152291520376960470230165276165539749093064229262216604321<131> |