Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 69: | \[{7^{69}-1\over6}\] | 3 × 19 × 47 × 139 × 3083 × 402011881627<12> × 31479823396757<14> × 235169662395069356312233<24> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 69: | \[{7^{69}-1\over6}\] | 3 × 19 × 47 × 139 × 3083 × 402011881627<12> × 31479823396757<14> × 235169662395069356312233<24> |