Base 30 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 420: | \[{30^{420}-1\over29}\] | 73 × 11 × 13 × 17 × 19 × 31 × 43 × 53 × 61 × 67 × 71 × 113 × 181 × 211 × 271 × 421 × 631 × 4831 × 12211 × 44171 × 54121 × 71261 × 93997 × 167021 × 421381 × 517831 × 572573 × 809101 × 837931 × 1118041 × 1618891 × 1929481 × 3466009 × 4234801 × 7581001 × 10214359 × 12109381 × 21872881 × 51941161 × 317111341 × 1250258563 × 1641203761 × 1825230961 × 73276901251<11> × 95542026511<11> × 460980075781<12> × 927132724337<12> × 13779424848911<14> × 78825757964689<14> × 1034890863104701<16> × 1876095620543621<16> × 73392189661173853<17> × 617965566946610401<18> × 72828751550897627671<20> × 216609620993283174545916629319901<33> × 11094266040479672008213708437693453149791<41> × 173228902187967944232912812639679803618814136443544362299521<60> × 28584672800014215247687907783115626822056783702293129058285256281<65> × 391061376751449733631793465114261320107553845297768849234837044581521<69> |