Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[{7^{165}-1\over6}\] | 3 × 19 × 31 × 1123 × 2801 × 3631 × 7591 × 159871 × 293459 × 1532917 × 12323587 × 36647640811<11> × 1946951063386221338821<22> × 87055474380291744025754954110081<32> × 5457586804596062091175455674392801<34> |