Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 333: | \[{18^{333}-1\over17}\] | 73 × 223 × 991 × 34327 × 56167 × 157991 × 6613356544591<13> × 2756670060171673<16> × 10375318069755905859690041706382489471961<41> × 9914674020585919507893529088584073241878059013967173977<55> × [13765330035294675964767513374478055982300870187018961216030407760038266723520967740054997679939668617600565832891721824451790883093709880464124275854143769297136510904538768160735660265265922674585511978790375174998761770904300956609262451103142299713693080113338740403001<272>] |