Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 440: | \[{23^{440}-1\over22}\] | 25 × 3 × 52 × 11 × 31 × 41 × 53 × 61 × 89 × 211 × 941 × 5081 × 20681 × 44771 × 62701 × 139921 × 272341 × 292561 × 2785201 × 3468301 × 924209309 × 3937230404603<13> × 39700406579747<14> × 77686774927081<14> × 1206964869343609001<19> × 1853387306082786629<19> × 31762382925417754855613941<26> × 425965856603905306199831702308349603489<39> × 52936348667191635547913334082458838672831<41> × 812253463461249630584835663935634811279798920421<48> × 273611282455408571971261294943323813261933028012067537282179201981459172284699388061<84> × [27014614363049921819890733542750476173390123342639345232365942425513446020889730383471091868319827387509658742000473670826266898533468491881716374621683846703879762566990282120064071487594060456845103814171291601<212>] |