Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 666: | \[{13^{666}-1\over12}\] | 2 × 32 × 7 × 19 × 61 × 157 × 223 × 271 × 937 × 1481 × 1999 × 16651 × 17317 × 21017 × 152219 × 1609669 × 68085847 × 4994415253<10> × 67495678093<11> × 152182595737<12> × 155448376687<12> × 1548921490187<13> × 4287755796749<13> × 31964044249933<14> × 10626791079749447<17> × 5897148699869174859194378551<28> × 1733594210155927112991377942293993<34> × 3832014914233819776114475402917811351<37> × 44924290571374325660729797630439312957923351<44> × 25044646268853061600986562366030606612720224127987831<53> × [30551232632976409829676921395734353366038492142230666830053338747304908267681182010191509693880303671032124773023987078561684338313265441279355715043089727925685736128113988030707552775073004244279<197>] × 68129229639012957279299441630686599757688762070928432993898447049812792737360185303008041078577029883842110094294299379142991938571548296026281532422128377529448127887834055836502353010200837719721179<200> |