Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 524: | \[{18^{524}-1\over17}\] | 52 × 13 × 19 × 263 × 1049 × 535529 × 1112977 × 4937129 × 47903033 × 583611289 × 83265325271<11> × 5429089043897<13> × 59305632978486649450720615586460322077911114394209<50> × 798745172959415696032317403216661106058706840191203912192586967699963207<72> × 9365790778008149427328766123520087928360753236191961251230875825383181649<73> × 22098587056476651621734345754044165713121792199352692889570119155287485640337<77> × 27112001123963612363302240386302730590299155358291262370746426887419374005385194263903616806053624337341176945435177983730725196951971139343519576598626826083<158> × 20229228873534287448913311164104274048218377284412764352623436360435828180161958370874513160862767485269774311201720165547202343087066250140255330575184934737293<161> |