Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 385: | \[{19^{385}-1\over18}\] | 71 × 151 × 701 × 911 × 2311 × 3851 × 11551 × 70841 × 73613 × 87011 × 91631 × 104281 × 62060021 × 3899007421 × 484536191701<12> × 12703581712361<14> × 999185442468336971<18> × 2606619303371797561<19> × 84797451973384940021<20> × 1098082974340093398581<22> × 65365284260571112024359304391<29> × 876640327924329069432280723621<30> × 2762720155370058278742863792112809157901<40> × 683565986584949943193098665649843330062157179334638625282436350819956477<72> × [973401825074387713359533324468936918917192271226890559374837981478855719302486459875865471899807349522069441145462271043422928476669150604419249552035907821<156>] |