Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 30: | \[{23^{30}-1\over22}\] | 23 × 32 × 7 × 132 × 31 × 41 × 79 × 151 × 211 × 292561 × 541119751 × 74912328481<11> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 30: | \[{23^{30}-1\over22}\] | 23 × 32 × 7 × 132 × 31 × 41 × 79 × 151 × 211 × 292561 × 541119751 × 74912328481<11> |