Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 287: | \[{25^{287}-1\over24}\] | 29 × 83 × 449 × 1723 × 19531 × 43543 × 221401 × 10690751 × 49669943 × 203375089 × 2238236249 × 59428670579923<14> × 9472026608675509<16> × 5079304643216687969<19> × 1038891585945814650631<22> × 200456612648502497143478864083019776355872078643714969425922111151726966764329055421646037788009839817261530990040185377073764266169<132> × 133537048650079145800520504429125368852059144421079573976262148651481647289815587555583514185707106890690545742073152600407119202256700683711623<144> |