Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 303: | \[{13^{303}-1\over12}\] | 3 × 61 × 607 × 1213 × 9091 × 121169943613<12> × 2214300387644795475106069490351281036761752410165858405300800926922235717085303811628037484076653499759427777<109> × 8490061215360303552867678865706328408610043139604773349303912059144283775967484215900174248678096101519156598384940991175259897825881616529306678916406779606919721449678124552705419176486210686168747494121<205> |