Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 129: | \[{29^{129}-1\over28}\] | 13 × 67 × 173 × 13933 × 6677299 × 213633547 × 1500560874699452676271274447888531445275701<43> × 52990215639704354810299474687300887696772792277<47> × 66889079895591649127757947460346211042428183003338893123783340480924663559<74> |