Base 20 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
119: | \[{20^{119}-1\over19}\] | 29 × 71 × 239 × 2381 × 3571 × 32719 × 689852631578947368421<21> × 37038726233519411473987238813761667130865753406913436234898939276876292520358116802385012861293706006173632328171029<116> |