Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 103: | \[{14^{103}-1\over13}\] | 53149 × 618619 × 8437406664266660215141<22> × 3119729852124089863737908035433473851142481321640891640967717916447248647901662485841<85> |