Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 186: | \[{22^{186}-1\over21}\] | 3 × 132 × 23 × 373 × 463 × 1839913 × 3592159411 × 10120625677<11> × 262983043263379<15> × 24368768938283491<17> × 1971663731022770459161<22> × 5464220413673727340561927632817<31> × 74936399576346384332485052798519038259697344291041<50> × 335118382865604875193283790839361313490894864399683961900756600088302048239870259<81> |