Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 187: | \[{6^{187}-1\over5}\] | 23 × 239 × 409 × 1123 × 30839 × 382229 × 3154757 × 4208612395681<13> × 6467774498519851224197542939036067237<37> × 2557416027956978760642963940696149459371531995054030328765509447825027<70> |