Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 302: | \[{5^{302}-1\over4}\] | 2 × 3 × 1175989 × 2237519 × 43367201 × 389439261961<12> × 12799319666401<14> × 2843809592323334251225153490677489<34> × 23480835068319558820315540345862729<35> × 13463501140766277404396485254008708594469258210028701296603819361566504705997556016725618172841821<98> |