Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 238: | \[{6^{238}-1\over5}\] | 72 × 29 × 197 × 239 × 409 × 1123 × 16661 × 30839 × 55987 × 190537 × 12690943 × 22885730141<11> × 29032062767<11> × 2681104713967<13> × 103198889691409<15> × 12405291558509977<17> × 678389915020055546314233943801<30> × 9584881019626035133999258735515025036249902934797053<52> |