Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[{22^{154}-1\over21}\] | 7 × 23 × 29 × 43 × 67 × 89 × 353 × 86969 × 16968421 × 61303243 × 1176469537 × 285451051007<12> × 6294765596659<13> × 868349285220418699859316590919190638269067911418676413837787<60> × 366999949382902879849879334146602012352204508142573944185390866040394608297629079<81> |