Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 351: | \[{14^{351}-1\over13}\] | 13 × 157 × 211 × 397 × 18973 × 761437 × 4158181 × 1427145211 × 20097971479<11> × 29914249171<11> × 299113818931<12> × 3114718734925279<16> × 3921141330646275580183<22> × 1528484187475617597653221<25> × 83430504324161161062615721<26> × [36614719083444935379436439228465222788563109783568281478453495966327646565198514723590063982644416238339533196132933879526747117709178570868337998157183321987295624413657365922815753246486335159037974927309414352791657300173755263470989933816148481<248>] |