Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 286: | \[{23^{286}-1\over22}\] | 23 × 3 × 11 × 2003 × 365509 × 47691619 × 480393499 × 24002580031<11> × 3937230404603<13> × 39700406579747<14> × 47782287574451<14> × 4417279426528541<16> × 21001515080686141<17> × 164692376808370084817354928779566219<36> × 4468716518359645307958218397014993946731<40> × 70460288506192869647622008415342514250178971151554971006521282531171784193883883361201160258888953173<101> × 3386876915569818299520296151758111534240041248356773631683354581971857862916297071778613379923539206899<103> |