Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 621: | \[{6^{621}-1\over5}\] | 19 × 43 × 47 × 139 × 163 × 2467 × 3221 × 6211 × 11731 × 399097 × 655116499 × 7505944891<10> × 623067280651<12> × 1236385853432057889667843739281<31> × 12967950356237506524625257589572120616290855806877047629652249726736719528602631785079368878205873<98> × [34547374065046035036993965822261709566085830177463264187926574609194569669788397591344903921078208749788406187155050010345558803607501958648059796589725197565277074174835783403542720897715045392975351371535403657642870892392352695389117078730688834175711331852573160956430044656134237671628796169<296>] |