Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 326: | \[{5^{326}-1\over4}\] | 2 × 3 × 4599209 × 40100609 × 675775181 × 1981740926993660561<19> × 6582151087844246659<19> × 286075553470422974507<21> × 721493104094461397911450801<27> × 102556399583828574447011133455059<33> × 2541462766396986870745222882425433052891<40> × 348497483550115442544224379540353249271092076223<48> |