Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 77: | \[{7^{77}-1\over6}\] | 29 × 1123 × 4733 × 293459 × 724487149 × 6809710909<10> × 88262612316754526107621113329689<32> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 77: | \[{7^{77}-1\over6}\] | 29 × 1123 × 4733 × 293459 × 724487149 × 6809710909<10> × 88262612316754526107621113329689<32> |