Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 203: | \[{3^{203}-1\over2}\] | 59 × 1093 × 2843 × 28537 × 735673 × 20381027 × 45710553733635551271263934571653147487690442652554544220310250384660059<71> |