Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 371: | \[{7^{371}-1\over6}\] | 29 × 4733 × 8269 × 319591 × 37500869458383846642957881261029<32> × 4546356086776970486532855270462193<34> × 38904276017035188056372051839841219<35> × 2354710047793939939488730918789802549527531089971466569414645568156125495147562341670968094760009011505254473451769332283562731285627411015659131675499218716981910866127804206387041765120682859693533<199> |