Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 49: | \[{22^{49}-1\over21}\] | 72 × 51647 × 737353 × 16968421 × 1545133367 × 1987506739 × 294211349582600267301405853<27> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 49: | \[{22^{49}-1\over21}\] | 72 × 51647 × 737353 × 16968421 × 1545133367 × 1987506739 × 294211349582600267301405853<27> |