Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
159: | \[{6^{159}-1\over5}\] | 43 × 13781 × 118721004139<12> × 67587459957091<14> × 357293834576449<15> × 7091531088740602980647<22> × 88342645123243360518614293208997935963729713364951837539<56> |