Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 260: | \[{10^{260}-1\over9}\] | 11 × 41 × 53 × 79 × 101 × 131 × 271 × 521 × 859 × 3541 × 9091 × 27961 × 2311921 × 265371653 × 1058313049 × 162503518711<12> × 1031498834064949381<19> × 12763852652999774041<20> × 1900381976777332243781<22> × 12119730504567977254081<23> × 2737820036624672031089487008281<31> × 5538396997364024056286510640780600481<37> × 8396862596258693901610602298557167100076327481<46> |