Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 395: | \[{5^{395}-1\over4}\] | 11 × 71 × 190391 × 68175421 × 38701052851841<14> × 205367807127911<15> × 58523123221688392679<20> × 104449388937445035371<21> × 344120456368919234899<21> × 6440862401422039384631<22> × 1191410138925750382566982647969583249462584688509687966201101<61> × 238211155833181064168048688777161107278542968978053213871798263916689422578355775945736571<90> |