Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 574: | \[{18^{574}-1\over17}\] | 19 × 83 × 449 × 2297 × 4019 × 22961 × 50513 × 80207 × 133169 × 168347 × 206641 × 819673 × 3811279 × 11792831 × 32222107 × 36460481 × 114341047 × 4354359491<10> × 24997711153<11> × 101230436110007637061337<24> × 1675775634673462276106313211009<31> × 28724970394535916699068164202453497<35> × 394867037344695962525971723264825927<36> × [322314110222701644616756189442857197007023755537905211711091285610144492311135211251299502745460085709365973230629880924810139234502068381169273258853001614009579060940666050187898812767076585739740401745224410039609<216>] × [210054257285380182855349243562414238573527770168805138779300004317115360337061996437605616099837681147527212073191270745204966919370773608549935541741162128451522009070028300595916798581631392201844052465874907059533022601873312687180369621031035570613703830720737723130929361<276>] |