Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 404: | \[{19^{404}-1\over18}\] | 23 × 5 × 181 × 809 × 14747 × 21817 × 529633901 × 34751300699970121<17> × 832072847051039530081<21> × 5245647644316863182854571<25> × 35416527816324755373904207002690632171176351357357426751388073<62> × 166402330030497585759321085494979606390554382765738670207823731166039454619705858111390573161598898147323392291614889<117> × [257468314715959380406519363078021996665188171661005358268694047588548400180255571299653813461423793825971063685010608779518284223049339034221266986910836860093787028803941939366857948075645733957508017785669648623274255555753242882083181893064489640153<252>] |