Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 68: | \[{5^{68}-1\over4}\] | 22 × 3 × 13 × 409 × 1973 × 3061 × 20129 × 45289 × 41540861 × 466344409 × 12447002677<11> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 68: | \[{5^{68}-1\over4}\] | 22 × 3 × 13 × 409 × 1973 × 3061 × 20129 × 45289 × 41540861 × 466344409 × 12447002677<11> |