Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 223: | \[{23^{223}-1\over22}\] | 2677 × 2329030733 × 232647837659<12> × 675741966394095672209<21> × [214576051277056967336932738575857827937415913180008332254939658624180744333304012229869557053662123061432422531230584677887986055433640100180411190723105688535910605018284654799257108459232500388984397249849156117946379636898365786462542321047475032335676443<258>] |