Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
167: | \[{3^{167}-1\over2}\] | 58451 × 88177 × 1767863 × 10063060897082377<17> × 260551495718621260054268273374657473120059796409<48> |