Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 75: | \[{22^{75}-1\over21}\] | 3 × 132 × 61 × 151 × 245411 × 452701 × 210499351 × 858794191 × 503676620401<12> × 6474393278401<13> × 10605157372501<14> × 705429635566498619547944801<27> |