Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 508: | \[{19^{508}-1\over18}\] | 23 × 5 × 181 × 509 × 11939 × 19813 × 1922273 × 5875021 × 7763194787<10> × 145106952103<12> × 235815496619<12> × 655865868190457<15> × 6201595796652222541649<22> × 34039801625579289448874846062867<32> × 4524592640116176097750092152797184361149792062965544923547438439<64> × 663287782575551425527906155388598603617508948842210355925263869743<66> × 28363483963953449277736296991635431198533209859341145168323249644535566993254066864145019564038114261915111704674791041<119> × [72897081144878965899050405624777258898534198796920121670383797482936114628921516112484691746522388334626040215494367059916368243297023550081314910417451659203790839643403123149325817957140866069509607849910581397733368806217863811112620420326763817274153739974764250822981<272>] |