Base 17 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 75: | \[{17^{75}-1\over16}\] | 151 × 307 × 2551 × 5101 × 5351 × 88741 × 26278001 × 6566760001<10> × 11330289301<11> × 1995937064371951<16> × 10744282911799904868353724301<29> |