Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 60: | \[{5^{60}-1\over4}\] | 22 × 32 × 7 × 11 × 13 × 31 × 41 × 61 × 71 × 181 × 521 × 601 × 1741 × 2281 × 7621 × 9161 × 69566521 |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 60: | \[{5^{60}-1\over4}\] | 22 × 32 × 7 × 11 × 13 × 31 × 41 × 61 × 71 × 181 × 521 × 601 × 1741 × 2281 × 7621 × 9161 × 69566521 |