Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 141: | \[{6^{141}-1\over5}\] | 43 × 283 × 13537 × 753554761 × 930911329 × 45110836129<11> × 122320721569<12> × 989671414201<12> × 17821718159716147<17> × 931824955889592124612176563793529<33> |