Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 324: | \[{18^{324}-1\over17}\] | 52 × 73 × 13 × 19 × 372 × 73 × 109 × 163 × 229 × 307 × 457 × 487 × 991 × 2593 × 12637 × 15877 × 23761 × 25309 × 34327 × 253369 × 465841 × 771877 × 1464049 × 2593621 × 3711529 × 4464073 × 8640109 × 27470503 × 33388093 × 108813457 × 126001657 × 205206373 × 3211621489 × 23207841037<11> × 31865908033<11> × 1234749313729<13> × 1756243511461<13> × 2822726926367077537<19> × 1964508729666289645801020967<28> × 378836522988296926233722170411<30> × 2317745463335260122632425120711<31> × 4931546996987486722278306320385988664343901<43> × 303600753649870738839445743020931690645806566384829273054257<60> |