Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 79: | \[{29^{79}-1\over28}\] | 704807565957958501<18> × 1714799093232030924887515349835708520197281930261156203147022473048288620452574193731955544731231<97> |