Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 525: | \[{7^{525}-1\over6}\] | 3 × 19 × 29 × 31 × 701 × 2551 × 2801 × 4733 × 29251 × 81901 × 159871 × 506101 × 2127431041 × 11898664849<11> × 77192844961<11> × 31280679788951<14> × 1237578612719152201<19> × 1094471317606762277701<22> × 217648180992721729506406538251<30> × 42693162668620904426304495389707999425601<41> × 271796439196451766191391111220539009912588742400633481231401<60> × [1607048724300653333098441810858356979025869455611586068550138392721151999435560477124684487528159700884897526243186658652006858073978539378649939801034618129486503350193323149817027419789350001<193>] |