Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 311: | \[{6^{311}-1\over5}\] | 1191554036683<13> × 3666342101717<13> × 1028123934962242970067317<25> × 7640150264100839651419559<25> × 3364411552706746192178898058705706890749155217602642004211879927027<67> × 175253076735448850128902696860056826048267576477164628813760458475607403315936897913638250235420885421<102> |