Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 409: | \[{10^{409}-1\over9}\] | 1637 × 13907 × 77711 × 1375877 × 2777111 × 5371851809<10> × 7061270715258437<16> × 230703986686330645437422372795294965009<39> × [18782700121789322140516475898102146084311906005692312412404186351756530288579012684499339332898847580856961179997594580883361687463732132096197434156900894479486303950957492349113295283059519530039038154153566651410339115625673454476604813752668290528489032979531669196586809334057474920812531855524006798554161956866521<320>] |