Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 158: | \[{14^{158}-1\over13}\] | 3 × 5 × 160687 × 11289101 × 38775097 × 17428672520072491888720964879939<32> × 83325611059868618701512449829045855844580306543140523<53> × 615119103307672084324408929574434035093551952429110669871322453424027065503<75> |