Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 756: | \[{18^{756}-1\over17}\] | 52 × 74 × 13 × 19 × 29 × 372 × 43 × 73 × 109 × 127 × 229 × 307 × 337 × 379 × 449 × 457 × 631 × 757 × 991 × 1373 × 2143 × 2593 × 6427 × 7561 × 8317 × 16633 × 17837 × 23761 × 25309 × 26713 × 34327 × 46747 × 80207 × 153133 × 253369 × 465841 × 771877 × 1292257 × 1464049 × 1623833 × 2765953 × 3711529 × 4464073 × 8640109 × 31714369 × 32222107 × 33388093 × 126001657 × 147782881 × 337268233 × 430244137 × 607371619 × 638779177 × 31865908033<11> × 939208692997<12> × 1234749313729<13> × 1756243511461<13> × 10346280217687<14> × 156107192084257<15> × 820207420126249<15> × 43237127713829239<17> × 75072892952027455633<20> × 21899652142038022239553<23> × 443134151361467421266377<24> × 326627579799795380041259046577<30> × 438367952373320063196326319859<30> × 620515053471312060424095359089<30> × 6974796889885559915764172408527<31> × 4591020241431358911787281317666857153<37> × 1020397542437575021283634581291866828046993641<46> × 1577079548322860035705724045583180415367043349<46> × 2305031828655717830729605861181255395071423694681<49> × 104471216044501450890653209631992206413870976781985176404326041921<66> × 7841678324849200405623420061777111012459071278174661417695615725012542019771<76> × 949766894203659351743242465546331543343564040178817528899608840961545845458020781795296760002916689<99> |