Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 124: | \[{6^{124}-1\over5}\] | 7 × 37 × 5333 × 49744740983476472807<20> × 189491931189200021056951<24> × 47552767764994953232854569779888803761183529901<47> |