Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 638: | \[{3^{638}-1\over2}\] | 22 × 23 × 59 × 67 × 523 × 661 × 3191 × 3851 × 6091 × 28537 × 5385997 × 20381027 × 85209367 × 1088976043 × 113164935467<12> × 8046897007972747<16> × 26425387421490471188793734763177943613329<41> × 2742852582186302944625818325876362221386271693831170052360109818510078843584437<79> × 70105727279956631012706779585207696977622865928268753464991015976540199554128348523293937424334207503<101> |