Base 11 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 400: | \[{11^{400}-1\over10}\] | 25 × 3 × 52 × 17 × 41 × 61 × 101 × 401 × 3001 × 3221 × 5281 × 7321 × 13421 × 24151 × 46601 × 90001 × 2254601 × 6304673 × 212601841 × 5931105001<10> × 69084589801<11> × 1856458657451<13> × 2248313994601<13> × 291281336764801<15> × 1120648576818041<16> × 14436295738510501<17> × 16625767615199325017280401<26> × 1993099906542710819727884501<28> × 399806412551699044818733915681<30> × 896720806439075722628289609391420338234464212801<48> × 552947563691215268017880199633798414702158479175508601<54> × 107357077064870190472106220245376611988014765191254292138956845448754328801<75> |