Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 170: | \[{19^{170}-1\over18}\] | 22 × 52 × 11 × 151 × 911 × 2251 × 3044803 × 12299588826871<14> × 99995282631947<14> × 140495619966101<15> × 274019342889240109297<21> × 4091790564972909948701<22> × 693128329340299192949731<24> × 74822160725538469887081038983051348783259231<44> × 130300340509216473435163662875597224153175277491<48> |