Base 36 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 67: | \[{36^{67}-1\over35}\] | 269 × 418349 × 90571543952974835963<20> × 191757760647639121941197<24> × 904949028329910415467529<24> × 3023706637809542222940030043<28> |