Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 449: | \[{3^{449}-1\over2}\] | 14112071 × 88173395548188366438189921318359<32> × 430763314083559275178358410713636609779704909657<48> × 15748759298706358069411432967020988991952419984342025742908426818152096923966014988214123945705036628575384848703627025281967817<128> |