Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 370: | \[{18^{370}-1\over17}\] | 11 × 19 × 41 × 1259 × 2711 × 9041 × 157991 × 140077676551<12> × 2349203171201<13> × 7551941844211<13> × 79689223024651<14> × 994856436823481<15> × 120707777382159453881<21> × 10375318069755905859690041706382489471961<41> × 1164939463722239475169554761379636729267089<43> × 35714709803470004877287917384713119764308704276757467992890435529688455637564477606008900595070981941566931<107> × 38730085117125035112107708769154901750521615897400877652942713140687885342051386403743167128498300965642638172768310991039407167641473739445583036102643748792308300708601<170> |