Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 85: | \[{5^{85}-1\over4}\] | 11 × 71 × 409 × 1531 × 466344409 × 34563155350221618511<20> × 8198241112969626815581<22> |
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 85: | \[{5^{85}-1\over4}\] | 11 × 71 × 409 × 1531 × 466344409 × 34563155350221618511<20> × 8198241112969626815581<22> |