Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 350: | \[{7^{350}-1\over6}\] | 23 × 11 × 29 × 71 × 113 × 191 × 421 × 701 × 911 × 2551 × 2801 × 3851 × 4733 × 12128131 × 603926681 × 2127431041 × 77192844961<11> × 31280679788951<14> × 8230203760252601<16> × 79787519018560501<17> × 1237578612719152201<19> × 1094471317606762277701<22> × 15705359644096951587117667545301<32> × 518511805672937017706047048027197369743872095240751<51> × 271796439196451766191391111220539009912588742400633481231401<60> |