Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
194: | \[{10^{194}-1\over9}\] | 11 × 12004721 × 102527361354613106010527<24> × 323338434891034089173475790125293<33> × 846035731396919233767211537899097169<36> × 27422699366054621683295623079471066588881<41> × 109399846855370537540339266842070119107662296580348039<54> |