Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
98: | \[{6^{98}-1\over5}\] | 73 × 29 × 197 × 55987 × 6527977 × 122694573317<12> × 600827908214213<15> × 762332681442053<15> × 90179616936384011<17> |