Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 62: | \[{22^{62}-1\over21}\] | 23 × 373 × 3592159411 × 24368768938283491<17> × 1971663731022770459161<22> × 5464220413673727340561927632817<31> |