Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[{23^{420}-1\over22}\] | 24 × 32 × 52 × 72 × 132 × 29 × 31 × 37 × 41 × 43 × 53 × 61 × 71 × 79 × 151 × 211 × 421 × 673 × 701 × 941 × 2969 × 7549 × 10781 × 21001 × 52291 × 79561 × 96601 × 170689 × 272341 × 292561 × 598193 × 1046641 × 3250549 × 3391669 × 5336717 × 12968551 × 13699561 × 229533481 × 336449041 × 408030421 × 541119751 × 4558141981<10> × 6696671101<10> × 15716677201<11> × 74912328481<11> × 110350430401<12> × 193994246041<12> × 1707540478981<13> × 86688309528409<14> × 22865554874031409<17> × 1434849920564332861<19> × 1198438359951919292221<22> × 8829545269167938682361<22> × 14379235378989791901781<23> × 29228211639650804163601<23> × 285259002489570164883253468981<30> × 647085069149724639818371499401<30> × 1122137407855437363449178186420100021<37> × 2378210040037186253815167278790037317281<40> × 800951639195344420195420490621103577293331261400613800360161<60> |