Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 266: | \[{23^{266}-1\over22}\] | 23 × 3 × 29 × 71 × 673 × 2129 × 2969 × 16759 × 493811 × 3195383 × 5336717 × 63877469 × 1970307281599<13> × 6107432643803<13> × 24939218613613<14> × 770041982060401<15> × 28422100122687079956425111<26> × 664788557665525587448580111735021918233713139177<48> × 299603907804787239811548639285489477054142013155493469977128196857848029630526035768939<87> × 3040062173775148103411378844085715368439061069500694592202010687506468637513552997611284393749102977041<103> |