Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 527: | \[{13^{527}-1\over12}\] | 103 × 311 × 443 × 1117 × 7688708349071<13> × 15798461357509<14> × 12902659752442391411<20> × 8170509011431363408568150369<28> × 1388609267677599096252910779749<31> × [33031957360233647476644506916577456401196967210600348091655133509065934905453301633871653219556624306500307618560076564483699372081690178715178967974538771271595397924742206615765660103610450209596906279341316008244647257191067437945023066734923622090156442480573704750899872963845650605379505579825853888149102847019016508877663811162373577349306965623582099191633965851892883525843110792371916158861941183205607123843241052255460210173561035332119374734053229146457093809<473>] |