Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 246: | \[{5^{246}-1\over4}\] | 2 × 32 × 7 × 31 × 83 × 739 × 43543 × 221401 × 960139 × 1785961 × 2238236249 × 9025583299<10> × 9472026608675509<16> × 5079304643216687969<19> × 30970420211207224741561<23> × 5832474690386022428273180864659<31> × 3179610795566616049227976098726121<34> |