Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 671: | \[{3^{671}-1\over2}\] | 23 × 3851 × 8053 × 178487 × 603901 × 1144727 × 105293313660391861035901<24> × 2606324493303532053608289430528064074821722730167300919990985239623<67> × 1593597119779711692524376210241501657193897589282894453692186236411741424552809273<82> × 1828061437136719194551002102824124461671542054288749986962428208460209404088288401805767921457308004160583792157415109361427<124> |