Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 837: | \[{5^{837}-1\over4}\] | 19 × 312 × 109 × 271 × 829 × 1861 × 4159 × 16741 × 31051 × 148429 × 878851 × 115628389489<12> × 247114592858611<15> × 1637866839542491<16> × 625552508473588471<18> × 54044635679744836569317389<26> × 172974812463239310024750410929<30> × 2619475147786243221682441564765834085031894176855868169779152514905083781606453302669371739151283560390355875491<112> × [1621530277174728209846962202687182399225035126844219646189522787138455292122146892809899224878626713465409939659987334209786217726489303646535889901168732492309915169393866748430815861918593284758609164832835250043757421384517762422392565480447943450521504129694021109799870303829363695493558391364077121167992331257333851<322>] |