Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 423: | \[{7^{423}-1\over6}\] | 32 × 19 × 37 × 283 × 1063 × 5960917 × 4904535443967721<16> × 13722816749522711<17> × 63681511996418550459487<23> × 74344711992811394446323372079<29> × 123073308832989689693844493084849<33> × 156035321945212360260109221423643393<36> × 5719374442762619138354952842044488751<37> × 236797435223187931175815185235335037279<39> × 18570806172605616118852035532181288493104453287<47> × 285917932930729262773854471418794183208735026049402141999388275408759<69> |