Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 518: | \[{3^{518}-1\over2}\] | 22 × 547 × 1093 × 2591 × 3109 × 18131 × 18427 × 107671 × 13097927 × 56737873 × 17189128703<11> × 44126729767<11> × 111073065044340388245806220987485153354252525298486083784833922800963664854519266796697307<90> × 162333897165894374219502084711820738217342060415953888997823188755421387607705331738999130859381<96> |