Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 417: | \[{5^{417}-1\over4}\] | 31 × 5839 × 21521602057721<14> × 6789441546024769741462601111<28> × 1446646439677126258978503447303571<34> × 2463633633449688423900024936785360355054079<43> × 24550591546653776667941845268908441565415743319193209001<56> × 319170327587660452956197990744425945320630785271336243615875691412001095663761902097944314966831617710971971253171<114> |