Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 304: | \[{16^{304}-1\over15}\] | 17 × 229 × 257 × 457 × 641 × 1217 × 14593 × 27361 × 65537 × 148961 × 174763 × 524287 × 525313 × 671233 × 6700417 × 7798338113<10> × 179781388993<12> × 24517014940753<14> × 84885296460737<14> × 620066693671553<15> × 643966863870017<15> × 27362254540091201<17> × 69394460463940481<17> × 237157827243967596481<21> × 11699557817717358904481<23> × 72957037607516225290419063617993856505649915307620690006389889<62> × 558153978412300305901519135681489925326736859374781699750217802894299569232242854570497<87> |