Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 140: | \[{23^{140}-1\over22}\] | 24 × 3 × 52 × 29 × 31 × 41 × 53 × 61 × 71 × 211 × 673 × 701 × 941 × 2969 × 10781 × 52291 × 96601 × 272341 × 292561 × 598193 × 3391669 × 5336717 × 12968551 × 6696671101<10> × 15716677201<11> × 110350430401<12> × 1434849920564332861<19> × 29228211639650804163601<23> × 2378210040037186253815167278790037317281<40> |