Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 319: | \[{11^{319}-1\over10}\] | 523 × 1277 × 15797 × 1439329 × 1806113 × 303309617049998388989376043<27> × 26081392219869643454900559026263626987737<41> × 14978807366465469901781211522134256689606367241271212809544470554171309<71> × 4924931340340203836752361615070912530244402325188999596880636849321263765348580311386767287133809139319150226555040651239955630125370140583336066735033197933476028018543009<172> |