Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
86: | \[{29^{86}-1\over28}\] | 2 × 3 × 5 × 173 × 13933 × 213633547 × 1137465695629<13> × 2027049776208383967809<22> × 11045615817704604074776549073<29> × 52990215639704354810299474687300887696772792277<47> |