Base 3 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 623: | \[{3^{623}-1\over2}\] | 179 × 1093 × 74761 × 560701 × 1611479891519807<16> × 31913270330707901231027<23> × 5042939439565996049162197<25> × 4755529286824898448781571175901977798893923603672604326636896937028373650349418725336389852293<94> × 87207383041663764142447486064968233054216463561537062781237991203659388874850336389410600423909643971890244330662709855642931<125> |