Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
202: | \[{3^{202}-1\over2}\] | 22 × 379963 × 33034273 × 465092326319<12> × 50316775668019759306202964023<29> × 1017291527198723292208309354658785077827527<43> |