Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 154: | \[{7^{154}-1\over6}\] | 23 × 23 × 29 × 113 × 463 × 911 × 1123 × 4733 × 293459 × 333103 × 10746341 × 258576319 × 724487149 × 6809710909<10> × 32817262777539703<17> × 443632323630099913<18> × 88262612316754526107621113329689<32> |