Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 561: | \[{23^{561}-1\over22}\] | 7 × 11 × 67 × 79 × 103 × 1123 × 27919 × 42331 × 138007 × 3689137 × 23130823 × 3530881267 × 3937230404603<13> × 37942113104611<14> × 62246266355102810647<20> × 582564987416256902620140059351<30> × 39119626322505080240577545155927<32> × 849890089913739257948662758708499908691<39> × 856021646122687273153587537945992188269365361683474469189555910376683998334164336285383801335736402931255102660612167522196719574592807543725646245569<150> × [10814663219639318000719999563166949518972963294011847894576334215844281568579051318692376654622571072912112808513419534342100206948201704630513138085225574990724540930033887757647128770050261698954323617350246508785603667489372964597709480498603145624267966975369117054922156175101488412091477405316100192771073070095199347958939071549687211138892377524178765818810597042259191109715708953935033822963234864424314658463<419>] |