Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 59: | \[{19^{59}-1\over18}\] | 155306613932666028670208812450645212905178047040045530562317564121001023821<75> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 59: | \[{19^{59}-1\over18}\] | 155306613932666028670208812450645212905178047040045530562317564121001023821<75> |