Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 32: | \[{28^{32}-1\over27}\] | 5 × 17 × 29 × 97 × 157 × 614657 × 2012449 × 4338337 × 168542177 × 22223646961<11> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 32: | \[{28^{32}-1\over27}\] | 5 × 17 × 29 × 97 × 157 × 614657 × 2012449 × 4338337 × 168542177 × 22223646961<11> |