Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 220: | \[{23^{220}-1\over22}\] | 24 × 3 × 52 × 11 × 31 × 41 × 53 × 61 × 211 × 941 × 20681 × 44771 × 62701 × 272341 × 292561 × 3468301 × 924209309 × 3937230404603<13> × 39700406579747<14> × 1853387306082786629<19> × 31762382925417754855613941<26> × 52936348667191635547913334082458838672831<41> × 812253463461249630584835663935634811279798920421<48> × 273611282455408571971261294943323813261933028012067537282179201981459172284699388061<84> |