Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 76: | \[{22^{76}-1\over21}\] | 5 × 23 × 97 × 229 × 4789 × 45943 × 341203 × 23967703 × 97404596002423<14> × 654963203993173<15> × 58167002655376561<17> × 2951364922875749801318096593<28> |