Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 89: | \[{7^{89}-1\over6}\] | 1805633 × 18489605314740987765913<23> × 8166146875847876762859119015147004762656450569<46> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 89: | \[{7^{89}-1\over6}\] | 1805633 × 18489605314740987765913<23> × 8166146875847876762859119015147004762656450569<46> |