Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 352: | \[{19^{352}-1\over18}\] | 26 × 5 × 17 × 23 × 89 × 97 × 181 × 353 × 3833 × 15073 × 104281 × 563377 × 774797 × 3375329 × 19702849 × 62060021 × 121434809 × 50766225049<11> × 253239693257<12> × 18815582771569<14> × 31809471706576609<17> × 57224907211723681<17> × 136872109280136121<18> × 1486811410142377153<19> × 3920289995084776897<19> × 48381877771677135533<20> × 52679398035382541654143251965051209727082393084611887287386708372587061114497<77> × [901869774485528518489868673133439580430290810603107862901975578520857681707789633798331841410254765194101580683448051092007298761832301315110796275660782636196257<162>] |