Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 578: | \[{5^{578}-1\over4}\] | 2 × 3 × 409 × 3061 × 17341 × 1644989 × 8528969 × 41540861 × 81053519 × 466344409 × 27605542907603789<17> × 7225344822016874223743<22> × 9027110169772242694759<22> × 12156847076444678217726556516258597180670422099432269314205601<62> × 10693062703280568569932417392486626220178668772845830558089170255922593409573680162209144318227<95> × 37622714845008376879428780813055087463805851753114046875066243488323742538151984814426139261643095244959654432633583780200141617092479941969<140> |