Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 453: | \[{5^{453}-1\over4}\] | 31 × 2719 × 1175989 × 2237519 × 2002231009 × 389439261961<12> × 12799319666401<14> × 116001942358474281709<21> × 28725827491802417627821<23> × 287517948889766478099872061872161<33> × 2843809592323334251225153490677489<34> × 23480835068319558820315540345862729<35> × 75902040983922933853737526796523550581512503753701060702354781702416913700876160047061500320082328831666301738422802205119<122> |