Base 8 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 304: | \[{8^{304}-1\over7}\] | 32 × 5 × 13 × 17 × 97 × 229 × 241 × 257 × 457 × 571 × 673 × 1217 × 27361 × 32377 × 90289 × 131101 × 148961 × 160969 × 174763 × 524287 × 525313 × 1212847 × 160465489 × 9036489073<10> × 275415303169<12> × 24517014940753<14> × 69394460463940481<17> × 1459574594862075553<19> × 11699557817717358904481<23> × 320507768196690588004609<24> × 29034057164920993379000074993<29> × 1067252124073670544578597216793724332593915233<46> |