Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 93: | \[{22^{93}-1\over21}\] | 3 × 132 × 3592159411 × 5464220413673727340561927632817<31> × 335118382865604875193283790839361313490894864399683961900756600088302048239870259<81> |