Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 201: | \[{6^{201}-1\over5}\] | 43 × 3196645037857<13> × 904949028329910415467529<24> × 3023706637809542222940030043<28> × 1361772883091206766782128838375423236044769818075378315585521894627630670076705132632814883<91> |