Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 53: | \[{22^{53}-1\over21}\] | 8432873783478996906159449<25> × 794707274884890838322656596210406344305917819<45> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 53: | \[{22^{53}-1\over21}\] | 8432873783478996906159449<25> × 794707274884890838322656596210406344305917819<45> |