Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 66: | \[{6^{66}-1\over5}\] | 7 × 23 × 31 × 43 × 67 × 463 × 72073 × 3154757 × 51828151 × 127236649 × 45686117391553<14> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 66: | \[{6^{66}-1\over5}\] | 7 × 23 × 31 × 43 × 67 × 463 × 72073 × 3154757 × 51828151 × 127236649 × 45686117391553<14> |