Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 361: | \[{5^{361}-1\over4}\] | 191 × 6271 × 3981071 × 129422865652104096162599<24> × 6417463808715658282089494909<28> × 22456741321661756943535202665387921991636237742965091090748406504927189<71> × 5984395762248609572279192047376059886196906631949613426236912991955441339250025261773092041645626874125392243345854449<118> |