Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 179: | \[{6^{179}-1\over5}\] | 359 × 4297 × 399887 × 1126853766403<13> × 171074041901536300021132517497157303<36> × 32723145939857105254073062747603242457934389456326140203542651219352439116082951<80> |