Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 129: | \[{22^{129}-1\over21}\] | 3 × 132 × 173 × 947 × 259799207 × 44958643042429<14> × 3686683786528197362723717565445281471577<40> × 5928189493969854971555424440437874917187171<43> × 334113102882470640374711237916623188184446916744111270297863<60> |